Question

Looking for an alternate (sleeker) approach

score 90 · Answer 1 · 2026-04-14 03:15:36

Looking for an alternate (sleeker) approach

Published on 14 Apr 2026 - 3:15

score 86 · Answer 2 · 2026-04-15 20:18:07

In a triangle ABC, $\begin {vmatrix} a&b&c \\b&c&a \\c&a&b \end {vmatrix}=0$, then find $\sin A\sin B+\sin B\sin C+\sin C\sin A$

score 74 · Answer 3 · 2026-04-14 13:46:31

74

Views

Can this triangle be solved?

Published on 14 Apr 2026 - 13:46

score 180 · Answer 4 · 2026-04-12 13:37:12

180

Views

Least triangular convex polygon

Published on 12 Apr 2026 - 13:37

score 689 · Answer 5 · 2026-04-16 04:31:16

689

Views

If the area of equilateral triangle is $3\sqrt3$ cm$^2$ , then what is the height of the equilateral triangle?

Published on 16 Apr 2026 - 4:31

score 122 · Answer 6 · 2026-04-14 11:54:10

122

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In triangle ABC a point X is taken on AC and a point Y is taken on BC if AY and BX meet at O

Published on 14 Apr 2026 - 11:54

score 70 · Answer 7 · 2026-05-04 09:02:48

70

Views

The point inside a triangle where $a+f=c+e=b+d$ if $a, b$ and $c$ are side lengths and $d, e$ and $f$ are distances to the corners

Published on 04 May 2026 - 9:02

score 703 · Answer 8 · 2026-04-16 16:43:17

703

Views

Why does a 3-4-5 triangle has 37° and 53° angles

Published on 16 Apr 2026 - 16:43

score 128 · Answer 9 · 2026-04-15 21:16:22

128

Views

Prove with Euclid's Elements

Published on 15 Apr 2026 - 21:16

score 42 · Answer 10 · 2026-04-17 03:58:57

42

Views

Similar triangles, mistake or not?

Published on 17 Apr 2026 - 3:58

score 164 · Answer 11 · 2026-04-14 14:30:19

164

Views

Proof of relationship $S^2−S(a+b+c+d+e)+ab+bc+cd+de+ea=0$ between areas connected to a pentagon

Published on 14 Apr 2026 - 14:30

score 160 · Answer 12 · 2026-04-14 23:11:45

160

Views

Building complete quadrilateral given its diagonal triangle

Published on 14 Apr 2026 - 23:11

score 212 · Answer 13 · 2026-04-15 06:23:59

212

Views

Can a triangle ABC be made if $\frac{\cos A}{2}=\frac{\cos B}{3}=\frac{\cos C}{7}$

Published on 15 Apr 2026 - 6:23

score 140 · Answer 14 · 2026-03-26 21:27:13

140

Views

To Prove $\frac{1}{b}+\frac{1}{c}+\frac{1}{a} > \sqrt{a}+\sqrt{b}+\sqrt{c}$

Published on 26 Mar 2026 - 21:27

score 114 · Answer 15 · 2026-04-12 06:10:11

114

Views

Lattice triangles on 2d

Published on 12 Apr 2026 - 6:10

List Question

Looking for an alternate (sleeker) approach

In a triangle ABC, $\begin {vmatrix} a&b&c \\b&c&a \\c&a&b \end {vmatrix}=0$, then find $\sin A\sin B+\sin B\sin C+\sin C\sin A$

Can this triangle be solved?

Least triangular convex polygon

If the area of equilateral triangle is $3\sqrt3$ cm$^2$ , then what is the height of the equilateral triangle?

In triangle ABC a point X is taken on AC and a point Y is taken on BC if AY and BX meet at O

The point inside a triangle where $a+f=c+e=b+d$ if $a, b$ and $c$ are side lengths and $d, e$ and $f$ are distances to the corners

Why does a 3-4-5 triangle has 37° and 53° angles

Prove with Euclid's Elements

Similar triangles, mistake or not?

Proof of relationship $S^2−S(a+b+c+d+e)+ab+bc+cd+de+ea=0$ between areas connected to a pentagon

Building complete quadrilateral given its diagonal triangle

Can a triangle ABC be made if $\frac{\cos A}{2}=\frac{\cos B}{3}=\frac{\cos C}{7}$

To Prove $\frac{1}{b}+\frac{1}{c}+\frac{1}{a} > \sqrt{a}+\sqrt{b}+\sqrt{c}$

Lattice triangles on 2d

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