Question

Maximising the area of a triangle when the 3 sides are at most 2, 3, 4

score 285 · Answer 1 · 2018-11-29 05:17:22

285

Views

Maximising the area of a triangle when the 3 sides are at most 2, 3, 4

Published on 29 Nov 2018 - 5:17

score 3.6k · Answer 2 · 2018-11-29 15:09:03

3.6k

Views

Counting paths through a checkers board (only moving diagonally)

Published on 29 Nov 2018 - 15:09

score 102 · Answer 3 · 2026-03-26 01:01:12

102

Views

Feuerbach's Theorem in Spherical Triangle?

Published on 26 Mar 2026 - 1:01

score 86 · Answer 4 · 2018-11-30 22:40:14

86

Views

Could you help me approach this problem using sine law?

Published on 30 Nov 2018 - 22:40

score 828 · Answer 5 · 2018-12-01 10:09:14

828

Views

How to make correct system of equations to solve for the angles in this triangle?

Published on 01 Dec 2018 - 10:09

score 231 · Answer 6 · 2026-03-27 00:59:13

231

Views

When did Pythagoras's formula for the hypotenuse change from $\sqrt{a^2 + b^2}$ to $\sqrt{a^2 + b^2 + 2ab}$?

Published on 27 Mar 2026 - 0:59

score 177 · Answer 7 · 2026-03-27 17:36:23

177

Views

Find third triangle vertex given other 2 and lengths, without trigonometry

Published on 27 Mar 2026 - 17:36

score 53 · Answer 8 · 2018-12-01 15:10:53

53

Views

Simple geometry question involving the circumradius of a triangle.

Published on 01 Dec 2018 - 15:10

score 67 · Answer 9 · 2026-03-26 09:38:57

67

Views

Know rotation with 3 coplanar points

Published on 26 Mar 2026 - 9:38

score 39 · Answer 10 · 2026-03-25 22:30:55

39

Views

Finding the location of points of a triangle given the angle and length ratio.

Published on 25 Mar 2026 - 22:30

score 182 · Answer 11 · 2026-03-27 16:26:59

182

Views

Let $\Delta ABC$ be a right triangle. Prove that $\angle BEH=\angle HCI$.

Published on 27 Mar 2026 - 16:26

score 119 · Answer 12 · 2026-03-27 17:51:31

119

Views

Prove that $BH=AH$

Published on 27 Mar 2026 - 17:51

score 498 · Answer 13 · 2018-12-02 21:35:58

498

Views

A curious geometry problem: Find the $\angle OBC$

Published on 02 Dec 2018 - 21:35

score 151 · Answer 14 · 2026-03-27 16:26:34

151

Views

Right triangle geometry problem

Published on 27 Mar 2026 - 16:26

score 102 · Answer 15 · 2026-03-25 23:53:08

102

Views

Is it possible to find a closed form for $x$?

Published on 25 Mar 2026 - 23:53

List Question

Maximising the area of a triangle when the 3 sides are at most 2, 3, 4

Counting paths through a checkers board (only moving diagonally)

Feuerbach's Theorem in Spherical Triangle?

Could you help me approach this problem using sine law?

How to make correct system of equations to solve for the angles in this triangle?

When did Pythagoras's formula for the hypotenuse change from $\sqrt{a^2 + b^2}$ to $\sqrt{a^2 + b^2 + 2ab}$?

Find third triangle vertex given other 2 and lengths, without trigonometry

Simple geometry question involving the circumradius of a triangle.

Know rotation with 3 coplanar points

Finding the location of points of a triangle given the angle and length ratio.

Let $\Delta ABC$ be a right triangle. Prove that $\angle BEH=\angle HCI$.

Prove that $BH=AH$

A curious geometry problem: Find the $\angle OBC$

Right triangle geometry problem

Is it possible to find a closed form for $x$?

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