Difference between revisions of "2016 Mathcounts State Sprint Problems"

Latest revision as of 20:18, 12 March 2023

Note to all: all figures can be found here (Don't have time. If you can do an asymptote, please do)

Problem 1

Let $a@b$ = $\frac{a}{2a+b}$ . What is the value of $5@3$ ? Express your answer as a common fraction.

Solution

Problem 2

How many rectangles of any size are in the grid shown here?

Solution

Problem 3

Given $7x+13=328$ , what is the value of $14x+13$ ?

Solution

Problem 4

What is the median of the positive perfect squares less than $250$ ?

Solution

Problem 5

If $\frac{x+5}{x-2}=\frac{2}{3}$ , what is the value of $x$ ?

Solution

Problem 6

In rectangle $TUVW$ , shown here, $WX=4$ units, $XY=2$ units, $YV=1$ unit and $UV=6$ units. What is the absolute difference between the areas of triangles $TXZ$ and $UYZ$ ?

Solution

Problem 7

A bag contains $4$ blue, $5$ green and $3$ red marbles. How many green marbles must be added to the bag so that $75$ percent of the marbles are green?

Solution

Problem 8

MD rides a three wheeled motorcycle called a trike. MD has a spare tire for his trike and wants to occasionally swap out his tires so that all four will have been used for the same distance as he drives $25000$ miles. How many miles will each tire drive?

Solution

Problem 9

Lucy and her father share the same birthday. When Lucy turned $15$ her father turned $3$ times her age. On their birthday this year, Lucy’s father turned exactly twice as old as she turned. How old did Lucy turn this year?

Solution

Problem 10

The sum of three distinct $2$ -digit primes is $53$ . Two of the primes have a units digit of $3$ , and the other prime has a units digit of $7$ . What is the greatest of the three primes?

Solution

Problem 11

Ross and Max have a combined weight of $184$ pounds. Ross and Seth have a combined weight of $197$ pounds. Max and Seth have a combined weight of $189$ pounds. How many pounds does Ross weigh?

Solution

Problem 12

What is the least possible denominator of a positive rational number whose repeating decimal representation is $0.\overline{AB}$ , where $A$ and $B$ are distinct digits?

Solution

Problem 13

A taxi charges $3.25 for the first mile and $0.45 for each additional $\frac{1}{4}$ mile thereafter. At most, how many miles can a passenger travel using $13.60? Express your answer as a mixed number.

Solution

Problem 14

Kali is mixing soil for a container garden. If she mixes $2$ $m^3$ of soil containing $35\%$ sand with $6$ $m^3$ of soil containing $15\%$ sand, what percent of the new mixture is sand?

Solution

Problem 15

Alex can run a complete lap around the school track in $1$ minute, $28$ seconds, and Becky can run a complete lap in $1$ minute, $16$ seconds. If they begin running at the same time and location, how many complete laps will Alex have run when Becky passes him for the first time?

Solution

Problem 16

The Beavers, Ducks, Platypuses and Narwhals are the only four basketball teams remaining in a single-elimination tournament. Each round consists of the teams playing in pairs with the winner of each game continuing to the next round. If the teams are randomly paired and each has an equal probability of winning any game, what is the probability that the Ducks and the Beavers will play each other in one of the two rounds? Express your answer as a common fraction.

Solution

Problem 17

A function $f(x)$ is defined for all positive integers. If $f(a)+f(b)=f(ab)$ for any two positive integers $a$ and $b$ and $f(3)=5$ , what is $f(27)$ ?

Solution

Problem 18

Rectangle $ABCD$ is shown with $AB=6$ units and $AD=5$ units. If $AC$ is extended to point $E$ such that $AC$ is congruent to $CE$ , what is the length of $DE$ ?

Solution

Problem 19

The digits of a $3$ -digit integer are reversed to form a new integer of greater value. The product of this new integer and the original integer is $91567$ . What is the new integer?

Solution

Problem 20

Diagonal $XZ$ of rectangle $WXYZ$ is divided into three segments each of length $2$ units by points $M$ and $N$ as shown. Segments $MW$ and $NY$ are parallel and are both perpendicular to $XZ$ . What is the area of $WXYZ$ ? Express your answer in simplest radical form.

Solution

Problem 21

A spinner is divided into $5$ sectors as shown. Each of the central angles of sectors $1$ through $3$ measures $60^{\circ}$ while each of the central angles of sectors $4$ and $5$ measures $90^{\circ}$ . If the spinner is spun twice, what is the probability that at least one spin lands on an even number? Express your answer as a common fraction.

Solution

Problem 22

The student council at Round Junior High School has eight members who meet at a circular table. If the four officers must sit together in any order, how many distinguishable circular seating orders are possible? Two seating orders are distinguishable if one is not a rotation of the other.

Solution

Problem 23

Initially, a chip is placed in the upper-left corner square of a 15 × 10 grid of squares as shown. The chip can move in an L-shaped pattern, moving two squares in one direction (up, right, down or left) and then moving one square in a corresponding perpendicular direction. What is the minimum number of L-shaped moves needed to move the chip from its initial location to the square marked “ $X$ ”?

Solution

Problem 24

On line segment $AE$ , shown here, $B$ is the midpoint of segment $AC$ and $D$ is the midpoint of segment $CE$ . If $AD=17$ units and $BE=21$ units, what is the length of segment $AE$ ? Express your answer as a common fraction.

Solution

Problem 25

There are twelve different mixed numbers that can be created by substituting three of the numbers $1$ , $2$ , $3$ and $5$ for $a$ , $b$ and $c$ in the expression $a\frac{b}{c}$ , where $b<c$ . What is the mean of these twelve mixed numbers? Express your answer as a mixed number.

Solution

Problem 26

If $738$ consecutive integers are added together, where the $178^{\text{th}}$ number in the sequence is $4256815$ , what is the remainder when this sum is divided by $6$ ?

Solution

Problem 27

Consider a coordinate plane with the points $A(-5,0)$ and $B(5,0)$ . For how many points $X$ in the plane is it true that $XA$ and $XB$ are both positive integer distances, each less than or equal to $10$ ?

Solution

Problem 28

The function $f(n)=a\cdot n!+b$ , where $a$ and $b$ are positive integers, is defined for all positive integers. If the range of f contains two numbers that differ by $20$ , what is the least possible value of $f(1)$ ?

Solution

Problem 29

In the list of numbers $1,2,\ldots,9999$ , the digits $0$ through $9$ are replaced with the letters $A$ through $J$ , respectively. For example, the number $501$ is replaced by the string “ $FAB$ ” and $8243$ is replaced by the string “ $ICED$ ”. The resulting list of $9999$ strings is sorted alphabetically. How many strings appear before “ $CHAI$ ” in this list?

Solution

Problem 30

A $12$ -sided game die has the shape of a hexagonal bi-pyramid, which consists of two pyramids, each with a regular hexagonal base of side length $1$ cm and with height $1$ cm, glued together along their hexagons. When this game die is rolled and lands on one of its triangular faces, how high of the ground is the opposite face? Express your answer as a common fraction in simplest radical form.

Solution

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Difference between revisions of "2016 Mathcounts State Sprint Problems"

Latest revision as of 20:18, 12 March 2023

Contents

Problem 1

Problem 2

Problem 3

Problem 4

Problem 5

Problem 6

Problem 7

Problem 8

Problem 9

Problem 10

Problem 11

Problem 12

Problem 13

Problem 14

Problem 15

Problem 16

Problem 17

Problem 18

Problem 19

Problem 20

Problem 21

Problem 22

Problem 23

Problem 24

Problem 25

Problem 26

Problem 27

Problem 28

Problem 29

Problem 30

@@ Line 1: / Line 1: @@
-Note to all: all figures can be found [https://doc-08-cc-prod-01-apps-viewer.googleusercontent.com/viewer2/prod-01/pdf/5iqh8eq79rq1gs669bd1asn9cnc7dm1e/h5dvatqbt5avffk4aoilojf7nfd5rgg6/1678337775000/3/110546807795006377675/APznzaYEZclf5wMNutxvC1Y1U2GbKn1qDwEivEdyA0BlZOAyXqh0HMA-KPr5ndXc2tqUBD6yv7m-H4DcZ02JSrBEyOtxv5roJcT5jSmphSckwNWdLwRBCTAQmE4pKEx-kyCL8alcScXfixSmLpHl_KvFbrYzXf5WeLIREUAzNSfkzyKorMzu7V7CjhjRM5Qn_SI6xKm1cTbXVDn7sRIp9-4IsLKqc8x3Ecvnifrsqzur7Gtj3WnmNRNBQWsH9GN5550tgjh7qqARZa7B2bQ8CfjoXGe7PZN5h3qYXZ6LOreGvdOlt0tL6lMYXJEOdYv0fzlx-kOpoP6JJAisAdy23mKZZCGIGU_feUePztOco3QuUmNf3fIodik=?authuser=0&nonce=ial8h6qa099ic&user=110546807795006377675&hash=gkkuvej9jksp1bf0oq2dbuur2bk0nbhp| here] (Don't have time. If you can do an asy, please do)
+Note to all: all figures can be found [https://doc-08-cc-prod-01-apps-viewer.googleusercontent.com/viewer2/prod-01/pdf/5iqh8eq79rq1gs669bd1asn9cnc7dm1e/h5dvatqbt5avffk4aoilojf7nfd5rgg6/1678337775000/3/110546807795006377675/APznzaYEZclf5wMNutxvC1Y1U2GbKn1qDwEivEdyA0BlZOAyXqh0HMA-KPr5ndXc2tqUBD6yv7m-H4DcZ02JSrBEyOtxv5roJcT5jSmphSckwNWdLwRBCTAQmE4pKEx-kyCL8alcScXfixSmLpHl_KvFbrYzXf5WeLIREUAzNSfkzyKorMzu7V7CjhjRM5Qn_SI6xKm1cTbXVDn7sRIp9-4IsLKqc8x3Ecvnifrsqzur7Gtj3WnmNRNBQWsH9GN5550tgjh7qqARZa7B2bQ8CfjoXGe7PZN5h3qYXZ6LOreGvdOlt0tL6lMYXJEOdYv0fzlx-kOpoP6JJAisAdy23mKZZCGIGU_feUePztOco3QuUmNf3fIodik=?authuser=0&nonce=ial8h6qa099ic&user=110546807795006377675&hash=gkkuvej9jksp1bf0oq2dbuur2bk0nbhp| here] (Don't have time. If you can do an asymptote, please do)
-Note to self: FINISH THIS
 __TOC__
 == Problem 1 ==
-Let <math>a@ b</math> = <math>\frac{a}{2a+b}</math>. What is the value of <math>5@3</math>? Express your answer as a common fraction.
+Let <math>a@b</math> = <math>\frac{a}{2a+b}</math>. What is the value of <math>5@3</math>? Express your answer as a common fraction.
+[[2016 Mathcounts State Sprint Problems/Problem 1 | Solution]]
 == Problem 2 ==
 How many rectangles of any size are in the grid shown here?
+[[2016 Mathcounts State Sprint Problems/Problem 2 | Solution]]
 == Problem 3 ==
-Given 7x + 13 = 328, what is the value of 14x + 13?
+Given <math>7x+13=328</math>, what is the value of <math>14x+13</math>?
+[[2016 Mathcounts State Sprint Problems/Problem 3 | Solution]]
 == Problem 4 ==
-What is the median of the positive perfect squares less than 250?
+What is the median of the positive perfect squares less than <math>250</math>?
-If <math>\frac{x+5}{x-2}=\frac{2}{3}</math>, what is the value of x?
+[[2016 Mathcounts State Sprint Problems/Problem 4 | Solution]]
 == Problem 5 ==
-In rectangle TUVW, shown here, WX = 4 units, XY = 2 units, YV = 1 unit and
+If <math>\frac{x+5}{x-2}=\frac{2}{3}</math>, what is the value of <math>x</math>?
-UV = 6 units. What is the absolute diference between the areas of triangles <math>[TXZ]</math>
-and <math>[UYZ]</math>?
+[[2016 Mathcounts State Sprint Problems/Problem 5 | Solution]]
 == Problem 6 ==
-A bag contains 4 blue, 5 green and 3 red marbles. How many green marbles
+In rectangle <math>TUVW</math>, shown here, <math>WX=4</math> units, <math>XY=2</math> units, <math>YV=1</math> unit and
-must be added to the bag so that 75 percent of the marbles are green?
+<math>UV=6</math> units. What is the absolute difference between the areas of triangles <math>TXZ</math>
+and <math>UYZ</math>?
+[[2016 Mathcounts State Sprint Problems/Problem 6 | Solution]]
+== Problem 7 ==
+A bag contains <math>4</math> blue, <math>5</math> green and <math>3</math> red marbles. How many green marbles
+must be added to the bag so that <math>75</math> percent of the marbles are green?
+[[2016 Mathcounts State Sprint Problems/Problem 7 | Solution]]
+== Problem 8 ==
 MD rides a three wheeled motorcycle called a trike. MD has a spare tire for his
 trike and wants to occasionally swap out his tires so that all four will
-have been used for the same distance as he drives 25,000 miles.
+have been used for the same distance as he drives <math>25000</math> miles.
 How many miles will each tire drive?
-Lucy and her father share the same birthday. When Lucy turned 15 her father
-turned 3 times her age. On their birthday this year, Lucy’s father turned exactly
+[[2016 Mathcounts State Sprint Problems/Problem 8 | Solution]]
+== Problem 9 ==
+Lucy and her father share the same birthday. When Lucy turned <math>15</math> her father
+turned <math>3</math> times her age. On their birthday this year, Lucy’s father turned exactly
 twice as old as she turned. How old did Lucy turn this year?
-The sum of three distinct 2-digit primes is 53. Two of the primes have a units
-digit of 3, and the other prime has a units digit of 7. What is the greatest of the
+[[2016 Mathcounts State Sprint Problems/Problem 9 | Solution]]
+== Problem 10 ==
+The sum of three distinct <math>2</math>-digit primes is <math>53</math>. Two of the primes have a units
+digit of <math>3</math>, and the other prime has a units digit of <math>7</math>. What is the greatest of the
 three primes?
-Ross and Max have a combined weight of 184 pounds. Ross and Seth have a
-combined weight of 197 pounds. Max and Seth have a combined weight of
+[[2016 Mathcounts State Sprint Problems/Problem 10 | Solution]]
-pounds. How many pounds does Ross weigh?
+== Problem 11 ==
+Ross and Max have a combined weight of <math>184</math> pounds. Ross and Seth have a
+combined weight of <math>197</math> pounds. Max and Seth have a combined weight of
+<math>189</math> pounds. How many pounds does Ross weigh?
+[[2016 Mathcounts State Sprint Problems/Problem 11 | Solution]]
+== Problem 12 ==
 What is the least possible denominator of a positive rational number whose
-repeating decimal representation is 0.AB , where A and B are distinct digits?
+repeating decimal representation is <math>0.\overline{AB}</math>, where <math>A</math> and <math>B</math> are distinct digits?
-green
-marbles
+[[2016 Mathcounts State Sprint Problems/Problem 12 | Solution]]
-miles
-years
+== Problem 13 ==
-pounds
+A taxi charges \$3.25 for the first mile and \$0.45 for each additional
-A taxi charges <math>3.25 for the frst mile and </math>0.45 for each additional
+<math>\frac{1}{4}</math> mile thereafter. At most, how many miles can a passenger travel
+using \$13.60? Express your answer as a mixed number.
- mile
+[[2016 Mathcounts State Sprint Problems/Problem 13 | Solution]]
-thereafter. At most, how many miles can a passenger travel using $13.60?
-Express your answer as a mixed number.
+== Problem 14 ==
-Kali is mixing soil for a container garden. If she mixes 2 m3
+Kali is mixing soil for a container garden. If she mixes <math>2</math> <math>m^3</math> of soil
- of soil containing
+containing <math>35\%</math> sand with <math>6</math> <math>m^3</math> of soil containing <math>15\%</math> sand, what percent
-% sand with 6 m3
+of the new mixture is sand?
- of soil containing 15% sand, what percent of the new
-mixture is sand?
+[[2016 Mathcounts State Sprint Problems/Problem 14 | Solution]]
-Alex can run a complete lap around the school track in 1 minute, 28 seconds,
-and Becky can run a complete lap in 1 minute, 16 seconds. If they begin running
+== Problem 15 ==
+Alex can run a complete lap around the school track in <math>1</math> minute, <math>28</math> seconds,
+and Becky can run a complete lap in <math>1</math> minute, <math>16</math> seconds. If they begin running
 at the same time and location, how many complete laps will Alex have run when
-Becky passes him for the frst time?
+Becky passes him for the first time?
+[[2016 Mathcounts State Sprint Problems/Problem 15 | Solution]]
+== Problem 16 ==
 The Beavers, Ducks, Platypuses and Narwhals are the only four basketball
 teams remaining in a single-elimination tournament. Each round consists of the
@@ Line 67: / Line 105: @@
 Beavers will play each other in one of the two rounds? Express
 your answer as a common fraction.
-A function f (x) is defned for all positive integers. If f (a) + f (b) = f (ab) for any
-two positive integers a and b and f (3) = 5, what is f (27)?
+[[2016 Mathcounts State Sprint Problems/Problem 16 | Solution]]
-Rectangle ABCD is shown with AB = 6 units and
-AD = 5 units. If AC is extended to point E such that
+== Problem 17 ==
-AC is congruent to CE, what is the length of DE?
+A function <math>f(x)</math> is defined for all positive integers. If <math>f(a)+f(b)=f(ab)</math>
-miles
+for any two positive integers <math>a</math> and <math>b</math> and <math>f(3)=5</math>, what is <math>f(27)</math>?
-percent
-laps
+[[2016 Mathcounts State Sprint Problems/Problem 17 | Solution]]
-A B
-D C
+== Problem 18 ==
-E
+Rectangle <math>ABCD</math> is shown with <math>AB=6</math> units and
+<math>AD=5</math> units. If <math>AC</math> is extended to point <math>E</math> such that
-units
+<math>AC</math> is congruent to <math>CE</math>, what is the length of <math>DE</math>?
-The digits of a 3-digit integer are reversed to form a new integer of greater
-value. The product of this new integer and the original integer is 91,567. What is
+[[2016 Mathcounts State Sprint Problems/Problem 18 | Solution]]
+== Problem 19 ==
+The digits of a <math>3</math>-digit integer are reversed to form a new integer of greater
+value. The product of this new integer and the original integer is <math>91567</math>. What is
 the new integer?
-Diagonal XZ of rectangle WXYZ is divided into three segments each of length
-units by points M and N as shown. Segments MW and NY are parallel and are
+[[2016 Mathcounts State Sprint Problems/Problem 19 | Solution]]
-both perpendicular to XZ. What is the area of WXYZ?
-Express your answer in simplest radical form.
+== Problem 20 ==
-A spinner is divided into 5 sectors as shown. Each of the central
+Diagonal <math>XZ</math> of rectangle <math>WXYZ</math> is divided into three segments each of length
-angles of sectors 1 through 3 measures 60° while each of the
+<math>2</math> units by points <math>M</math> and <math>N</math> as shown. Segments <math>MW</math> and <math>NY</math> are parallel and are
-central angles of sectors 4 and 5 measures 90°. If the spinner is
+both perpendicular to <math>XZ</math>. What is the area of <math>WXYZ</math>? Express your answer in
+simplest radical form.
+[[2016 Mathcounts State Sprint Problems/Problem 20 | Solution]]
+== Problem 21 ==
+A spinner is divided into <math>5</math> sectors as shown. Each of the central
+angles of sectors <math>1</math> through <math>3</math> measures <math>60^{\circ}</math> while each of the
+central angles of sectors <math>4</math> and <math>5</math> measures <math>90^{\circ}</math>. If the spinner is
 spun twice, what is the probability that at least one spin lands
 on an even number? Express your answer as a common fraction.
+[[2016 Mathcounts State Sprint Problems/Problem 21 | Solution]]
+== Problem 22 ==
 The student council at Round Junior High School has eight members who meet
-at a circular table. If the four ofcers must sit together in any order, how many
+at a circular table. If the four officers must sit together in any order, how many
 distinguishable circular seating orders are possible? Two seating orders are
 distinguishable if one is not a rotation of the other.
+[[2016 Mathcounts State Sprint Problems/Problem 22 | Solution]]
+== Problem 23 ==
 Initially, a chip is placed in the upper-left corner square of a 15 × 10 grid of
 squares as shown. The chip can move in an L-shaped pattern, moving two
@@ Line 102: / Line 160: @@
 perpendicular direction. What is the minimum
 number of L-shaped moves needed to move the chip
-from its initial location to the square marked “X”?
+from its initial location to the square marked “<math>X</math>”?
-On line segment AE, shown here, B is the midpoint of segment AC and D is the
-midpoint of segment CE. If AD = 17 units and BE = 21 units, what is the length
+[[2016 Mathcounts State Sprint Problems/Problem 23 | Solution]]
-of segment AE? Express your answer as a common fraction.
-units2
+== Problem 24 ==
-X Y
+On line segment <math>AE</math>, shown here, <math>B</math> is the midpoint of segment <math>AC</math> and <math>D</math> is the
-M N
+midpoint of segment <math>CE</math>. If <math>AD=17</math> units and <math>BE=21</math> units, what is the length
+of segment <math>AE</math>? Express your answer as a common fraction.
+[[2016 Mathcounts State Sprint Problems/Problem 24 | Solution]]
-W Z
+== Problem 25 ==
-3
-orders
-moves
-x
-units
-A E B C D
 There are twelve different mixed numbers that can be created by substituting
-three of the numbers 1, 2, 3 and 5 for a, b and c in the expression a
+three of the numbers <math>1</math>, <math>2</math>, <math>3</math> and <math>5</math> for <math>a</math>, <math>b</math> and <math>c</math> in the expression <math>a\frac{b}{c}</math>,
-b
+where <math>b<c</math>. What is the mean of these twelve mixed numbers? Express your answer as
-c
-, where
-b < c. What is the mean of these twelve mixed numbers? Express your answer as
 a mixed number.
-If 738 consecutive integers are added together, where the 178th number in the
-sequence is 4,256,815, what is the remainder when this sum is divided by 6?
+[[2016 Mathcounts State Sprint Problems/Problem 25 | Solution]]
-Consider a coordinate plane with the points A(−5, 0) and B(5, 0). For how
-many points X in the plane is it true that XA and XB are both positive integer
+== Problem 26 ==
-distances, each less than or equal to 10?
+If <math>738</math> consecutive integers are added together, where the <math>178^{\text{th}}</math> number in the
-The function f (n) = a ⋅ n! + b, where a and b are positive integers, is defned for
+sequence is <math>4256815</math>, what is the remainder when this sum is divided by <math>6</math>?
-all positive integers. If the range of f contains two numbers that difer by 20,
-what is the least possible value of f (1)?
+[[2016 Mathcounts State Sprint Problems/Problem 26 | Solution]]
-In the list of numbers 1, 2, …, 9999, the digits 0 through 9 are replaced with the
-letters A through J, respectively. For example, the number 501 is replaced by the
+== Problem 27 ==
-string “FAB” and 8243 is replaced by the string “ICED”. The resulting list of
+Consider a coordinate plane with the points <math>A(-5,0)</math> and <math>B(5,0)</math>. For how
-strings is sorted alphabetically. How many strings appear before “CHAI”
+many points <math>X</math> in the plane is it true that <math>XA</math> and <math>XB</math> are both positive integer
+distances, each less than or equal to <math>10</math>?
+[[2016 Mathcounts State Sprint Problems/Problem 27 | Solution]]
+== Problem 28 ==
+The function <math>f(n)=a\cdot n!+b</math>, where <math>a</math> and <math>b</math> are positive integers, is defined for
+all positive integers. If the range of f contains two numbers that differ by <math>20</math>,
+what is the least possible value of <math>f(1)</math>?
+[[2016 Mathcounts State Sprint Problems/Problem 28 | Solution]]
+== Problem 29 ==
+In the list of numbers <math>1,2,\ldots,9999</math>, the digits <math>0</math> through <math>9</math> are replaced with the
+letters <math>A</math> through <math>J</math>, respectively. For example, the number <math>501</math> is replaced by the
+string “<math>FAB</math>” and <math>8243</math> is replaced by the string “<math>ICED</math>”. The resulting list of
+<math>9999</math> strings is sorted alphabetically. How many strings appear before “<math>CHAI</math>”
 in this list?
-A 12-sided game die has the shape of a hexagonal bipyramid, which consists of
-two pyramids, each with a regular hexagonal base of side length 1 cm and with
+[[2016 Mathcounts State Sprint Problems/Problem 29 | Solution]]
-height 1 cm, glued together along their hexagons. When this game die is rolled
+== Problem 30 ==
+A <math>12</math>-sided game die has the shape of a hexagonal bi-pyramid, which consists of
+two pyramids, each with a regular hexagonal base of side length <math>1</math> cm and with
+height <math>1</math> cm, glued together along their hexagons. When this game die is rolled
 and lands on one of its triangular faces, how high of the ground is the opposite
 face? Express your answer as a common fraction in simplest radical form.
+[[2016 Mathcounts State Sprint Problems/Problem 30 | Solution]]