Question

How to prove that a hexagon is the regular polygon with the most sides that can tile a plane

score 601 · Answer 1 · 2026-03-28 21:34:25

601

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How to prove that a hexagon is the regular polygon with the most sides that can tile a plane

Published on 28 Mar 2026 - 21:34

score 99 · Answer 2 · 2021-02-16 10:09:21

99

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A question about 3D Trigonometry

Published on 16 Feb 2021 - 10:09

score 467 · Answer 3 · 2021-02-16 19:09:04

467

Views

Degrees or radian in Euler's identity?

Published on 16 Feb 2021 - 19:09

score 72 · Answer 4 · 2021-02-20 11:00:03

72

Views

Inequality Problem in a Circle

Published on 20 Feb 2021 - 11:00

score 49 · Answer 5 · 2021-02-22 18:42:59

49

Views

Can anyone show me the process to get the result Undefined (1/0) from Tangent inverse one (-2/0) [ tan−1(-2/0) ]?

Published on 22 Feb 2021 - 18:42

score 63 · Answer 6 · 2021-02-24 03:55:24

63

Views

Rotations and paths in the plane - involves some trigonometry

Published on 24 Feb 2021 - 3:55

score 40 · Answer 7 · 2021-02-25 02:35:40

40

Views

Explanation on derivation of angle from isosceles triangle

Published on 25 Feb 2021 - 2:35

score 405 · Answer 8 · 2021-02-26 20:33:44

405

Views

What is the average latitude of all points on a hemisphere?

Published on 26 Feb 2021 - 20:33

score 290 · Answer 9 · 2021-02-27 03:42:56

290

Views

Find an angle in an isosceles triangle.

Published on 27 Feb 2021 - 3:42

score 3.8k · Answer 10 · 2021-02-27 08:26:38

3.8k

Views

Does a semicircle have 2 right angles?

Published on 27 Feb 2021 - 8:26

score 105 · Answer 11 · 2021-02-27 09:37:36

105

Views

Are the angles in a halved circle right?

Published on 27 Feb 2021 - 9:37

score 52 · Answer 12 · 2021-03-01 23:00:37

52

Views

Calculating a circle's center with two given positions and a direction in a 3D space

Published on 01 Mar 2021 - 23:00

score 40 · Answer 13 · 2021-03-02 19:39:40

Showing $\cos(P − Q) = \frac{33}{85}$ for obtuse $P$ and reflex $Q$ such that $\sin P = \frac{8}{17}$ and $\tan Q = \frac43$,

score 66 · Answer 14 · 2021-03-02 20:24:34

66

Views

How can we calculate the side $AC$?

Published on 02 Mar 2021 - 20:24

score 406 · Answer 15 · 2021-03-05 06:45:06

406

Views

Calculate combined speed

Published on 05 Mar 2021 - 6:45

List Question

How to prove that a hexagon is the regular polygon with the most sides that can tile a plane

A question about 3D Trigonometry

Degrees or radian in Euler's identity?

Inequality Problem in a Circle

Can anyone show me the process to get the result Undefined (1/0) from Tangent inverse one (-2/0) [ tan−1(-2/0) ]?

Rotations and paths in the plane - involves some trigonometry

Explanation on derivation of angle from isosceles triangle

What is the average latitude of all points on a hemisphere?

Find an angle in an isosceles triangle.

Does a semicircle have 2 right angles?

Are the angles in a halved circle right?

Calculating a circle's center with two given positions and a direction in a 3D space

Showing $\cos(P − Q) = \frac{33}{85}$ for obtuse $P$ and reflex $Q$ such that $\sin P = \frac{8}{17}$ and $\tan Q = \frac43$,

How can we calculate the side $AC$?

Calculate combined speed

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