Question

Show that if a convex polygon is entirely inside another convex polygon, then the outer polygon has perimeter greater than or equal to the inner one.

score 1.5k · Answer 1 · 2026-04-15 10:04:04

Show that if a convex polygon is entirely inside another convex polygon, then the outer polygon has perimeter greater than or equal to the inner one.

score 282 · Answer 2 · 2026-04-15 13:37:41

282

Views

Checking if vector crosses the simplex

Published on 15 Apr 2026 - 13:37

score 1.2k · Answer 3 · 2026-03-29 06:55:32

1.2k

Views

Rectangle inscribed in a circular sector of angle 60

Published on 29 Mar 2026 - 6:55

score 156 · Answer 4 · 2026-04-16 19:55:47

156

Views

Distance between a plane and a point

Published on 16 Apr 2026 - 19:55

score 321 · Answer 5 · 2026-04-15 23:02:49

321

Views

Distance between two lines

Published on 15 Apr 2026 - 23:02

score 790 · Answer 6 · 2026-04-09 21:00:46

790

Views

How do i compute the closest points on a sphere given a point outside the sphere?

Published on 09 Apr 2026 - 21:00

score 41 · Answer 7 · 2026-04-12 16:58:06

41

Views

Is it true that: $\| a \| \| b \| \cos \alpha = \langle a,b\rangle$

Published on 12 Apr 2026 - 16:58

score 743 · Answer 8 · 2026-04-28 20:10:14

743

Views

Euclidean Geometry Equilateral Triangle Problem

Published on 28 Apr 2026 - 20:10

score 2.6k · Answer 9 · 2026-03-29 05:49:39

2.6k

Views

A simple proof that a polygon circumscribing a circle overestimates its perimeter

Published on 29 Mar 2026 - 5:49

score 119 · Answer 10 · 2026-04-08 18:16:45

119

Views

Tournament of Towns Geometry Problem, Proof by Construction?

Published on 08 Apr 2026 - 18:16

score 82 · Answer 11 · 2026-04-15 11:28:14

82

Views

Find the relation (above/below) a plane and a line

Published on 15 Apr 2026 - 11:28

score 294 · Answer 12 · 2026-04-09 04:52:41

294

Views

Geometry Question About Angles (Triangle)

Published on 09 Apr 2026 - 4:52

score 76 · Answer 13 · 2026-04-08 20:12:24

76

Views

Geometry Question about Area and surface

Published on 08 Apr 2026 - 20:12

score 833 · Answer 14 · 2026-03-29 05:43:31

833

Views

The sum of distances from the sides of a regular polygon to an interior point is a constant

Published on 29 Mar 2026 - 5:43

score 61 · Answer 15 · 2026-03-29 18:17:36

61

Views

Question about angles of rhoumbus

Published on 29 Mar 2026 - 18:17

List Question

Show that if a convex polygon is entirely inside another convex polygon, then the outer polygon has perimeter greater than or equal to the inner one.

Checking if vector crosses the simplex

Rectangle inscribed in a circular sector of angle 60

Distance between a plane and a point

Distance between two lines

How do i compute the closest points on a sphere given a point outside the sphere?

Is it true that: $\| a \| \| b \| \cos \alpha = \langle a,b\rangle$

Euclidean Geometry Equilateral Triangle Problem

A simple proof that a polygon circumscribing a circle overestimates its perimeter

Tournament of Towns Geometry Problem, Proof by Construction?

Find the relation (above/below) a plane and a line

Geometry Question About Angles (Triangle)

Geometry Question about Area and surface

The sum of distances from the sides of a regular polygon to an interior point is a constant

Question about angles of rhoumbus

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