Question

Geometry: Name of rectangle with 1-4 rectangular corner cutout(s)

score 118 · Answer 1 · 2022-11-10 21:16:27

118

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Geometry: Name of rectangle with 1-4 rectangular corner cutout(s)

Published on 10 Nov 2022 - 21:16

score 123 · Answer 2 · 2022-11-11 05:20:43

123

Views

Ways to place regular polygons around a planar vertex

Published on 11 Nov 2022 - 5:20

score 276 · Answer 3 · 2022-11-13 01:12:54

276

Views

Show that $\prod_{k=1}^\infty \frac{2k+1}{2\pi}\sin{\left(\frac{2\pi}{2k+1}\right)}\sec{\left(\frac{\pi}{k+2}\right)}=\frac{\pi}{2}$

Published on 13 Nov 2022 - 1:12

score 252 · Answer 4 · 2022-11-15 00:22:05

252

Views

Efficient way to find all polygons of the same shape within a set, regardless of position, scale, or rotation

Published on 15 Nov 2022 - 0:22

score 29 · Answer 5 · 2022-11-15 17:01:57

29

Views

Collinear points in the Happy Ending Problem

Published on 15 Nov 2022 - 17:01

score 66 · Answer 6 · 2026-03-31 11:11:37

66

Views

Does adding a point to a triangle make it a quadrilateral? and if so can a triangle be any polygon?

Published on 31 Mar 2026 - 11:11

score 152 · Answer 7 · 2022-12-02 22:52:21

152

Views

Concurrent triples of chords in a regular n-gon

Published on 02 Dec 2022 - 22:52

score 883 · Answer 8 · 2022-12-03 02:34:14

883

Views

Regular polygon of radius $1$ with diagonals: mysterious ring of radius $1/e$?

Published on 03 Dec 2022 - 2:34

score 73 · Answer 9 · 2022-12-03 20:37:56

73

Views

Tiling the plane using only $11$ nets of a cube.

Published on 03 Dec 2022 - 20:37

score 65 · Answer 10 · 2022-12-05 13:18:25

65

Views

What the heck is the term for polygons that have the same number of sides (ie, or vertices)?

Published on 05 Dec 2022 - 13:18

score 432 · Answer 11 · 2022-12-07 04:52:24

432

Views

Regular polygon with diagonals: bounds on area of largest cell?

Published on 07 Dec 2022 - 4:52

score 46 · Answer 12 · 2022-12-11 21:16:01

46

Views

Combining polygons to make a similar one

Published on 11 Dec 2022 - 21:16

score 222 · Answer 13 · 2026-02-23 04:59:35

222

Views

Maximum number of sides of polygon formed after n folds of a triangle

Published on 23 Feb 2026 - 4:59

score 56 · Answer 14 · 2022-12-19 00:26:47

56

Views

Determine if a point is inside a polygon made of perfect arcs

Published on 19 Dec 2022 - 0:26

score 50 · Answer 15 · 2026-03-29 17:24:34

50

Views

Maximum number of right interior angles in an $n$-gon

Published on 29 Mar 2026 - 17:24

List Question

Geometry: Name of rectangle with 1-4 rectangular corner cutout(s)

Ways to place regular polygons around a planar vertex

Show that $\prod_{k=1}^\infty \frac{2k+1}{2\pi}\sin{\left(\frac{2\pi}{2k+1}\right)}\sec{\left(\frac{\pi}{k+2}\right)}=\frac{\pi}{2}$

Efficient way to find all polygons of the same shape within a set, regardless of position, scale, or rotation

Collinear points in the Happy Ending Problem

Does adding a point to a triangle make it a quadrilateral? and if so can a triangle be any polygon?

Concurrent triples of chords in a regular n-gon

Regular polygon of radius $1$ with diagonals: mysterious ring of radius $1/e$?

Tiling the plane using only $11$ nets of a cube.

What the heck is the term for polygons that have the same number of sides (ie, or vertices)?

Regular polygon with diagonals: bounds on area of largest cell?

Combining polygons to make a similar one

Maximum number of sides of polygon formed after n folds of a triangle

Determine if a point is inside a polygon made of perfect arcs

Maximum number of right interior angles in an $n$-gon

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