Question

Find the sum of two angles created by equilateral triangles on a line.

score 58 · Answer 1 · 2026-04-15 10:09:49

58

Views

Find the sum of two angles created by equilateral triangles on a line.

Published on 15 Apr 2026 - 10:09

score 123 · Answer 2 · 2026-04-13 12:42:43

123

Views

How to draw a diagram for this right triangle problem?

Published on 13 Apr 2026 - 12:42

score 320 · Answer 3 · 2026-04-11 11:52:42

320

Views

In the following right $\Delta ABC$, $AC = BC = 1$ and $DEF$ is an arc of a circle with center $A$.

Published on 11 Apr 2026 - 11:52

score 376 · Answer 4 · 2026-04-23 00:43:35

376

Views

In $\Delta ABC$ where $\angle A = 60^\circ$, $BP$ and $BE$ trisect $\angle ABC$ and $CP$ and $CE$ trisect $\angle ACB$ . Find $\angle BPE$ .

Published on 23 Apr 2026 - 0:43

score 1k · Answer 5 · 2026-04-14 05:20:42

1k

Views

Find a side of smaller triangle

Published on 14 Apr 2026 - 5:20

score 485 · Answer 6 · 2026-04-23 00:43:34

485

Views

In $\Delta ABC, AB = AC = \sqrt{3}$ and $D$ is a point on $BC$ such that $AD = 1$ . Find $(BD\times DC)$ .

Published on 23 Apr 2026 - 0:43

score 1k · Answer 7 · 2026-04-23 00:42:02

1k

Views

Point $M$ lies inside $\triangle ABC$, $\angle MAC = 10^\circ$ and $\angle MCA = 30^\circ$. Find $(180^\circ - \angle BMC)$

Published on 23 Apr 2026 - 0:42

score 64 · Answer 8 · 2026-04-23 00:44:18

64

Views

Let $D$ and $E$ be points on $AB$ and $BC$ of $\Delta ABC$ such that $AD = 7BD$ , $BE = 10CE$ . Let $AE$ and $BC$ meet at point $F$

Published on 23 Apr 2026 - 0:44

score 157 · Answer 9 · 2026-04-23 05:17:57

157

Views

Find $AH$, where $H$ is the orthocenter of $\Delta ABC$

Published on 23 Apr 2026 - 5:17

score 181 · Answer 10 · 2026-04-15 17:26:47

181

Views

Let BD bisect $\angle ABC$ in $\Delta ABC$. Given $\angle ABC$ = 60 degrees and AB = BC + CD, find $\angle BAC$

Published on 15 Apr 2026 - 17:26

score 280 · Answer 11 · 2026-04-08 21:40:08

280

Views

A geometry question involving a parallelogram within a triangle.

Published on 08 Apr 2026 - 21:40

score 596 · Answer 12 · 2026-05-10 18:45:45

596

Views

Let $O$ be the centre of the circumcircle of $\Delta ABC$, $P$ and $Q$ be the midpoint of $AO$ and $BC$, respectively.

Published on 10 May 2026 - 18:45

score 248 · Answer 13 · 2026-04-13 07:12:30

248

Views

Visual proof for $[\triangle ABC] = rs$?

Published on 13 Apr 2026 - 7:12

score 19 · Answer 14 · 2026-04-16 01:25:21

19

Views

Prove that segments of a secants from regular triangle vertex to 2 points on semicircle have the same length.

Published on 16 Apr 2026 - 1:25

score 606 · Answer 15 · 2026-04-14 14:55:06

606

Views

Given $\angle A = 60°, \angle B = 80°, \angle C = 40°$, find $\alpha$

Published on 14 Apr 2026 - 14:55

List Question

Find the sum of two angles created by equilateral triangles on a line.

How to draw a diagram for this right triangle problem?

In the following right $\Delta ABC$, $AC = BC = 1$ and $DEF$ is an arc of a circle with center $A$.

In $\Delta ABC$ where $\angle A = 60^\circ$, $BP$ and $BE$ trisect $\angle ABC$ and $CP$ and $CE$ trisect $\angle ACB$ . Find $\angle BPE$ .

Find a side of smaller triangle

In $\Delta ABC, AB = AC = \sqrt{3}$ and $D$ is a point on $BC$ such that $AD = 1$ . Find $(BD\times DC)$ .

Point $M$ lies inside $\triangle ABC$, $\angle MAC = 10^\circ$ and $\angle MCA = 30^\circ$. Find $(180^\circ - \angle BMC)$

Let $D$ and $E$ be points on $AB$ and $BC$ of $\Delta ABC$ such that $AD = 7BD$ , $BE = 10CE$ . Let $AE$ and $BC$ meet at point $F$

Find $AH$, where $H$ is the orthocenter of $\Delta ABC$

Let BD bisect $\angle ABC$ in $\Delta ABC$. Given $\angle ABC$ = 60 degrees and AB = BC + CD, find $\angle BAC$

A geometry question involving a parallelogram within a triangle.

Let $O$ be the centre of the circumcircle of $\Delta ABC$, $P$ and $Q$ be the midpoint of $AO$ and $BC$, respectively.

Visual proof for $[\triangle ABC] = rs$?

Prove that segments of a secants from regular triangle vertex to 2 points on semicircle have the same length.

Given $\angle A = 60°, \angle B = 80°, \angle C = 40°$, find $\alpha$

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