Question

What is mean , "consider $\mathbb R^{n+1}$ as the cone over $S^n$ with vertex at the origin"

score 54 · Answer 1 · 2026-04-13 02:32:32

What is mean , "consider $\mathbb R^{n+1}$ as the cone over $S^n$ with vertex at the origin"

Published on 13 Apr 2026 - 2:32

score 31 · Answer 2 · 2026-04-16 00:55:42

Why do we have the ratio of circular arc to the radius is constant provided the ratio of circumference to the radius is constant?

score 32 · Answer 3 · 2026-04-11 20:17:39

32

Views

A graph in euclidean space - diameter optimization problem

Published on 11 Apr 2026 - 20:17

score 76 · Answer 4 · 2026-04-09 09:25:06

76

Views

Euclid's Proof of XI-22 is Incorrect.

Published on 09 Apr 2026 - 9:25

score 70 · Answer 5 · 2026-04-13 02:04:14

70

Views

In $\triangle ABC$, $\angle ABC=105^\circ$, $AD=DC$ and $BC=2$. Find the length of $AB$

Published on 13 Apr 2026 - 2:04

score 54 · Answer 6 · 2026-04-14 07:44:33

54

Views

Projection of finite set of points on sphere preserving distances up to scale

Published on 14 Apr 2026 - 7:44

score 172 · Answer 7 · 2026-04-15 06:36:00

172

Views

Is the taxicab metric equivalent to the euclidean metric

Published on 15 Apr 2026 - 6:36

score 226 · Answer 8 · 2026-04-16 12:01:02

226

Views

Trajectory of light rays in a mirror polygon

Published on 16 Apr 2026 - 12:01

score 58 · Answer 9 · 2026-04-14 09:53:04

58

Views

Maximizing the number of parallel lines, can you beat the regular $n$-gon?

Published on 14 Apr 2026 - 9:53

score 59 · Answer 10 · 2026-04-11 12:04:29

59

Views

Is the Euclidean distance monotonic under affine transformation?

Published on 11 Apr 2026 - 12:04

score 71 · Answer 11 · 2026-04-14 04:43:42

71

Views

Find the value of segment $x$ in the triangle below

Published on 14 Apr 2026 - 4:43

score 49 · Answer 12 · 2026-04-15 02:57:13

49

Views

Question about isometries in $\mathbb{E}^2$

Published on 15 Apr 2026 - 2:57

score 76 · Answer 13 · 2026-04-11 18:10:32

76

Views

Isometries between two non parallel straight lines.

Published on 11 Apr 2026 - 18:10

score 91 · Answer 14 · 2026-04-14 06:55:19

91

Views

Construction of a circle that touches given elements

Published on 14 Apr 2026 - 6:55

score 32 · Answer 15 · 2026-04-23 01:37:02

32

Views

How to formally define in Euclidean geometry whether two triples of noncollinear points are in the same orientation?

Published on 23 Apr 2026 - 1:37

List Question

What is mean , "consider $\mathbb R^{n+1}$ as the cone over $S^n$ with vertex at the origin"

Why do we have the ratio of circular arc to the radius is constant provided the ratio of circumference to the radius is constant?

A graph in euclidean space - diameter optimization problem

Euclid's Proof of XI-22 is Incorrect.

In $\triangle ABC$, $\angle ABC=105^\circ$, $AD=DC$ and $BC=2$. Find the length of $AB$

Projection of finite set of points on sphere preserving distances up to scale

Is the taxicab metric equivalent to the euclidean metric

Trajectory of light rays in a mirror polygon

Maximizing the number of parallel lines, can you beat the regular $n$-gon?

Is the Euclidean distance monotonic under affine transformation?

Find the value of segment $x$ in the triangle below

Question about isometries in $\mathbb{E}^2$

Isometries between two non parallel straight lines.

Construction of a circle that touches given elements

How to formally define in Euclidean geometry whether two triples of noncollinear points are in the same orientation?

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