Question

How to find area of trapezoid formed from line connecting feet of perpendiculars to angle bisectors?

score 61 · Answer 1 · 2026-04-11 23:49:20

61

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How to find area of trapezoid formed from line connecting feet of perpendiculars to angle bisectors?

Published on 11 Apr 2026 - 23:49

score 68 · Answer 2 · 2026-04-14 11:08:37

68

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Is there a solution to this problem that doesn't involve too much analytic geometry?

Published on 14 Apr 2026 - 11:08

score 56 · Answer 3 · 2026-04-14 06:08:08

56

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Nine isosceles triangles whose angles give a fixed integer both with sine and cosine.

Published on 14 Apr 2026 - 6:08

score 43 · Answer 4 · 2026-04-14 07:50:21

43

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Basic Geometry and Area of the right triangle.

Published on 14 Apr 2026 - 7:50

score 107 · Answer 5 · 2026-04-10 22:04:45

107

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score 436 · Answer 6 · 2026-04-13 10:19:05

436

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score 326 · Answer 7 · 2026-04-11 02:04:30

326

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Proof of the Pythagorean Theorem in a 3 dimension surface.

Published on 11 Apr 2026 - 2:04

score 113 · Answer 8 · 2026-04-08 21:36:10

113

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How to get the angle in the triangle

Published on 08 Apr 2026 - 21:36

score 146 · Answer 9 · 2026-04-16 13:04:26

146

Views

Prove $ \cot \omega = \cot A + \cot B + \cot C$ condition given

Published on 16 Apr 2026 - 13:04

score 68 · Answer 10 · 2026-04-13 21:23:08

68

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Published on 13 Apr 2026 - 21:23

score 241 · Answer 11 · 2026-04-12 17:31:51

241

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Published on 12 Apr 2026 - 17:31

score 74 · Answer 12 · 2026-04-13 02:15:50

74

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In triangle $ABC$ , $CH$ is a height and we have: $AB\leq 2CH$.Find maximum value of $\angle C$.

Published on 13 Apr 2026 - 2:15

score 100 · Answer 13 · 2026-04-16 04:40:29

100

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Prove that $\frac{AP}{PB} \frac{BQ}{QC} \frac{CR}{RD} \frac{DS}{SA}=+1$.

Published on 16 Apr 2026 - 4:40

score 573 · Answer 14 · 2026-04-09 13:10:02

573

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An olympiad Geometry problem involving triangles

Published on 09 Apr 2026 - 13:10

score 672 · Answer 15 · 2026-04-13 17:19:53

672

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Trigonometric vs Synthetic solutions for olympiad geometry problem...

Published on 13 Apr 2026 - 17:19

List Question

How to find area of trapezoid formed from line connecting feet of perpendiculars to angle bisectors?

Is there a solution to this problem that doesn't involve too much analytic geometry?

Nine isosceles triangles whose angles give a fixed integer both with sine and cosine.

Basic Geometry and Area of the right triangle.

Triangle Bisector Challenge

Hypotenuse on a right triangle

Proof of the Pythagorean Theorem in a 3 dimension surface.

How to get the angle in the triangle

Prove $ \cot \omega = \cot A + \cot B + \cot C$ condition given

The area of a right Triangle.

Perspective Equations for x,y in image plane?

In triangle $ABC$ , $CH$ is a height and we have: $AB\leq 2CH$.Find maximum value of $\angle C$.

Prove that $\frac{AP}{PB} \frac{BQ}{QC} \frac{CR}{RD} \frac{DS}{SA}=+1$.

An olympiad Geometry problem involving triangles

Trigonometric vs Synthetic solutions for olympiad geometry problem...

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