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- ...with <math>AC</math> as <math>E</math>. Now, <math>\triangle ACB</math> is similar to <math>\triangle ADE</math> by <math>AA</math> similarity. Setting up the Like in Solution 3, we can make use of coordinate geometry to solve this problem. Because the length of the crease is constant no matt8 KB (1,193 words) - 15:12, 3 July 2023
- ==Solution 3 (Similar Triangles)== ...is <math>\frac{5}{3}(2)=\frac{10}{3}</math>. Now, let's extend this larger similar right triangle to the left until it hits the side of length <math>3</math>.16 KB (2,454 words) - 13:30, 23 September 2023
- ...ath>. Therefore substituting we have that <math>BG=\frac{5a}{6}</math>. By similar triangles, we have that <math>DF=\frac{5a}{12}</math>, and the height of th [[Category:Intermediate Geometry Problems]]8 KB (1,170 words) - 17:13, 3 March 2024
- ...math>, and <math>XB</math>. Now observe that <math>\triangle XYZ</math> is similar to <math>\triangle XAB</math> by SAS. [[Category:Introductory Geometry Problems]]2 KB (342 words) - 17:10, 15 October 2023
- All of the triangles in the diagram below are similar to isosceles triangle <math>ABC</math>, in which <math>AB=AC</math>. Each o ...s comprised of the <math>7</math> small isosceles triangles and a triangle similar to <math>ADE</math> with side length ratio <math>3:4</math> (so an area rat7 KB (1,065 words) - 14:44, 3 July 2023
- ...ways can a student schedule <math>3</math> mathematics courses -- algebra, geometry, and number theory -- in a <math>6</math>-period day if no two mathematics All of the triangles in the diagram below are similar to isosceles triangle <math>ABC</math>, in which <math>AB=AC</math>. Each o15 KB (2,380 words) - 18:52, 7 April 2022
- ...rt6}{2}-\frac{\sqrt6}{2}i,-\frac{\sqrt6}{2}+\frac{\sqrt6}{2}i}</math> by a similar process.</li><p> [[Category:Intermediate Geometry Problems]]11 KB (1,708 words) - 12:01, 18 March 2023
- ...gles <math>\triangle{P_1SO_1}</math> and <math>\triangle{MSO_2}</math> are similar by AA similarity. And, since <math>O_1P_1</math> is <math>4</math> and <mat [[Category:Intermediate Geometry Problems]]13 KB (2,080 words) - 19:09, 21 October 2023
- ...>\overline {CD}</math> into a <math>1:1</math> ratio (This can be shown by similar triangles.). Thus, it must also divide transversal <math>\overline {AC}</ma ...is similar to the triangle with a base of <math>YC = \frac12.</math> Using similar triangles, we calculate the base to be <math>\frac{1}{4}</math> and the hei17 KB (2,562 words) - 03:38, 6 September 2022
- ==Solution 1 (Similar Triangles)== ==Solution 2 (Similar Triangles)==6 KB (1,081 words) - 22:53, 22 July 2022
- ...ath> to <math>g</math> and from <math>D</math> to <math>g</math>. By using similar steps, if <math>g</math> passes through <math>B</math>, the distance from < Using similar triangle ratios, we have <math>DX_3 = \tfrac{bx}{a}</math> and <math>X_1 =5 KB (984 words) - 00:01, 2 October 2018
- ...^2+c^2-a^2}{2bc}}2} = \sqrt{\dfrac{(a-b+c)(a+b-c)}{4bc}}.</cmath> Applying similar logic to <math>\sin \tfrac B2</math> and <math>\sin\tfrac C2</math> and sim ==Solution 2 (Similar to Official MAA)==13 KB (2,200 words) - 21:36, 6 January 2024
- First of all, draw a good diagram! This is always the key to solving any geometry problem. Once you draw it, realize that <math>EF=2, FA=16</math>. Why? Beca The equilateral triangle of side length <math>10</math> is similar to our large equilateral triangle of <math>24</math>. And the height of the2 KB (298 words) - 10:44, 5 July 2022
- ...rline{DB}</math> bisects diagonal <math>\overline{AC}</math>. This is very similar to what happens if <math>ABCD</math> were a parallelogram with <math>AB = C ==Solution 8 (Simple Geometry)==18 KB (2,912 words) - 13:12, 24 January 2024
- ...ents with the essential concepts and techniques in Pre-Algebra, Algebra I, Geometry, Number Theory and Combinatorics. We will have a specific emphasis on probl ...covers topics in trigonometry, advanced algebra, precalculus and advanced geometry, but excludes calculus. Our curriculum also includes some additional challe6 KB (788 words) - 19:10, 22 December 2022
- ...is <math>4(\tfrac{6}{r} + 6 + 6r)</math> and that the equation above has a similar form. [[Category:Intermediate Geometry Problems]]1 KB (176 words) - 17:08, 15 March 2021
- ...hen <math>P</math> is between <math>P_1</math> and <math>P_7</math>. Using similar logic, <math>P</math> must be between <math>P_3</math> and <math>P_5</math> [[Category:Intermediate Geometry Problems]]1 KB (225 words) - 18:53, 15 July 2018
- ...Now, extend <math>OR</math> to meet the circle again at <math>T</math>. By similar reasoning, <math>MT = s</math>. Furthermore, since <math>\angle MOT, \angle [[Category:Intermediate Geometry Problems]]7 KB (1,181 words) - 20:41, 17 April 2022
- ...C</math>. If triangles <math> ABC</math> and <math>XYZ</math> are directly similar, then the area of <math>\triangle XYZ</math> may be written in the form <ma [[Category:Olympiad Geometry Problems]]3 KB (558 words) - 20:13, 4 January 2019
- ...AHG\sim \triangle BID\sim \triangle EFC\sim \triangle ABC</math>, so using similar triangle ratios, we find that <math>BI=HA=30</math>, <math>BD=HG=55</math>, ...riangle EXD</math> and <math>\triangle BID\sim \triangle HIZ</math>. Using similar triangles, we get that7 KB (1,053 words) - 14:58, 14 January 2024