Question

Using sine rule to prove triangle congruence

score 106 · Answer 1 · 2026-03-25 07:41:58

106

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Using sine rule to prove triangle congruence

Published on 25 Mar 2026 - 7:41

score 77 · Answer 2 · 2026-03-25 07:47:19

77

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High School Mathematics: A problem on parallelograms

Published on 25 Mar 2026 - 7:47

score 114 · Answer 3 · 2026-03-25 10:58:51

114

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Why is superposition not rigorous in Geometry?

Published on 25 Mar 2026 - 10:58

score 104 · Answer 4 · 2026-04-01 14:55:37

104

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Finding all sides and angles of a triangle

Published on 01 Apr 2026 - 14:55

score 102 · Answer 5 · 2026-03-25 09:26:35

102

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Two triangles have an equal angle, inradius, circumradius. Are these two traingles necessarily congruent?

Published on 25 Mar 2026 - 9:26

score 62 · Answer 6 · 2026-03-25 07:45:55

62

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ABCD is a parallelogram, and AXY is a straight line through A meeting BC at X and DC at Y. Prove that BX.DY is constant.

Published on 25 Mar 2026 - 7:45

score 151 · Answer 7 · 2026-03-25 07:44:52

151

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Let $ABC$ be a triangle. Let $D$ and $E$ such that $AB \perp BD$, $AC \perp CE$Prove that $\bigtriangleup FBC$ is an isosceles right angled.

Published on 25 Mar 2026 - 7:44

score 54 · Answer 8 · 2026-03-25 07:47:14

54

Views

Geometry question on angle chasing concerning 3 squares

Published on 25 Mar 2026 - 7:47

score 469 · Answer 9 · 2026-03-25 07:48:50

469

Views

Proving two triangles congruent given two congruent sides and a congruent median

Published on 25 Mar 2026 - 7:48

score 271 · Answer 10 · 2026-03-25 07:42:01

271

Views

Geometry question with congruent triangles and isosceles triangles

Published on 25 Mar 2026 - 7:42

score 49 · Answer 11 · 2026-03-25 07:45:52

49

Views

How to prove $EN=\dfrac{AI}{2}?$ and $KN=\dfrac{CJ}{2}$? and $\dfrac{Area(ABD)}{2}+\dfrac{Area(BCD)}{2}=\dfrac{Area(ABCD)}{2}$?

Published on 25 Mar 2026 - 7:45

score 73 · Answer 12 · 2026-03-25 07:48:56

73

Views

(Confusing) Sine/Cosine rule for Question Regarding Obtuse Triangle / GCSE

Published on 25 Mar 2026 - 7:48

score 49 · Answer 13 · 2026-03-25 11:06:56

49

Views

The sides and 3 diagonals of two convex hexagons is a rigid graph

Published on 25 Mar 2026 - 11:06

score 38 · Answer 14 · 2026-03-25 11:06:27

38

Views

If given integers a and b where a ≡ 7 (mod 20) and b ≡ −3 (mod 4), determine the integer c by 0 ≤ c ≤ 20 such that c ≡ 2a + b (mod 12)

Published on 25 Mar 2026 - 11:06

score 2.6k · Answer 15 · 2026-03-25 09:31:28

2.6k

Views

Diagonal line through rectangle always creates two congruent triangles (?)

Published on 25 Mar 2026 - 9:31

List Question

Using sine rule to prove triangle congruence

High School Mathematics: A problem on parallelograms

Why is superposition not rigorous in Geometry?

Finding all sides and angles of a triangle

Two triangles have an equal angle, inradius, circumradius. Are these two traingles necessarily congruent?

ABCD is a parallelogram, and AXY is a straight line through A meeting BC at X and DC at Y. Prove that BX.DY is constant.

Let $ABC$ be a triangle. Let $D$ and $E$ such that $AB \perp BD$, $AC \perp CE$Prove that $\bigtriangleup FBC$ is an isosceles right angled.

Geometry question on angle chasing concerning 3 squares

Proving two triangles congruent given two congruent sides and a congruent median

Geometry question with congruent triangles and isosceles triangles

How to prove $EN=\dfrac{AI}{2}?$ and $KN=\dfrac{CJ}{2}$? and $\dfrac{Area(ABD)}{2}+\dfrac{Area(BCD)}{2}=\dfrac{Area(ABCD)}{2}$?

(Confusing) Sine/Cosine rule for Question Regarding Obtuse Triangle / GCSE

The sides and 3 diagonals of two convex hexagons is a rigid graph

If given integers a and b where a ≡ 7 (mod 20) and b ≡ −3 (mod 4), determine the integer c by 0 ≤ c ≤ 20 such that c ≡ 2a + b (mod 12)

Diagonal line through rectangle always creates two congruent triangles (?)

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