Difference between revisions of "User:Zhenghua"

(Problems)
(Math Skills)
 
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==Math Skills==
 
==Math Skills==
Currently attending AIME level classes or not attending any classes. Before he took AMC 12 Problem Series and is currently taking AIME II as his only math class. His favorite math subject is algebra and he is worst at counting and probability. His geometry skills are also kind of lame.
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Currently attending AIME level classes or not attending any classes. Before he took AMC 12 Problem Series, AIME II, Intro to Python and is currently taking Oly Geo and Intermediate Python. His favorite math subject is algebra, and he is worst at counting and probability. His geometry skills are also kind of lame. He trolled on the AMC's and AIME but got first in his school for AMC 8.
  
 
==Profile ID==
 
==Profile ID==
 
971407
 
971407
  
==Problems==
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==Profile==
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https://docs.google.com/spreadsheets/d/1lr7-EHqOFZXz9ZlDiH7-_gFtV6CtG88QkauYmSMrQb4/edit#gid=0
  
1. Larry has a pie shaped like a circle. He cuts the biggest square out of the pie and then leaves the leftovers for the ants. How much pie do the ants get if the pie has a diameter of 10 inches?
 
  
<cmath>A) \ \pi \ \ \ B) \ 10\pi-20 \ \ \ C) \ 20\pi-50 \ \ \ D) \ 25\pi-50 \ \ \ E) \ 50\pi-100</cmath>
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Hi Zhenghua!!!!!~[[Ddk001]]
 
 
2. A 16 foot pole is standing at noon. A 4 foot child casts a 2 foot shadow at noon. Assuming that the shadow grows by 2 times each hour, what is the length of the shadow at 3:00pm?
 
 
 
<cmath></cmath>
 
 
 
3. What are the sum of the roots of the quadratic, <math>4x^2-16x+130=0</math>?
 
 
 
<cmath></cmath>
 
 
 
4. <math>\triangle ABC</math> has a median <math>AD</math> of length <math>3\sqrt{2}</math> and height <math>AH</math>. If <math>AB=15</math>, <math>AC=9</math>, and <math>DH=1</math> then what is the area of <math>\triangle ABC</math>?
 
 
 
<cmath></cmath>
 

Latest revision as of 23:12, 19 July 2024

An AoPS student that is currently at AIME level. As a somewhat active user on AoPS community and FTW (for-the-win), he basically does only math.

Math Skills

Currently attending AIME level classes or not attending any classes. Before he took AMC 12 Problem Series, AIME II, Intro to Python and is currently taking Oly Geo and Intermediate Python. His favorite math subject is algebra, and he is worst at counting and probability. His geometry skills are also kind of lame. He trolled on the AMC's and AIME but got first in his school for AMC 8.

Profile ID

971407

Profile

https://docs.google.com/spreadsheets/d/1lr7-EHqOFZXz9ZlDiH7-_gFtV6CtG88QkauYmSMrQb4/edit#gid=0


Hi Zhenghua!!!!!~Ddk001