Question

Is an apeirogon contained in the euclidean plane?

score 85 · Answer 1 · 2019-01-22 00:42:42

85

Views

Is an apeirogon contained in the euclidean plane?

Published on 22 Jan 2019 - 0:42

score 662 · Answer 2 · 2026-03-27 10:12:50

662

Views

Proving $|CH| = 2|OM|$ of $\triangle ABC$ of which $O$ is the circumcenter and $H$ is the orthocenter.

Published on 27 Mar 2026 - 10:12

score 635 · Answer 3 · 2019-01-23 17:07:02

635

Views

Intuitively, why should I expect a circle in the complex plane from the equation $\left|\frac{z-1}{z+1}\right| = c$?

Published on 23 Jan 2019 - 17:07

score 117 · Answer 4 · 2019-01-23 22:58:10

117

Views

Which double cone splits a sphere into two equal volumes?

Published on 23 Jan 2019 - 22:58

score 54 · Answer 5 · 2026-03-29 14:06:45

54

Views

Measure of how much a homeomorphism distorts a shape.

Published on 29 Mar 2026 - 14:06

score 331 · Answer 6 · 2026-03-29 00:00:07

331

Views

For $G$ the centroid in $\triangle ABC$, if $AB+GC=AC+GB$, then $\triangle ABC$ is isosceles. (Likewise, for the incenter.)

Published on 29 Mar 2026 - 0:00

score 655 · Answer 7 · 2026-03-28 22:24:23

655

Views

Geometry with triangle ABC

Published on 28 Mar 2026 - 22:24

score 78 · Answer 8 · 2026-03-28 23:59:09

78

Views

For I the incenter in △ABC, if AB+IC=AC+IB, then △ABC is isosceles.

Published on 28 Mar 2026 - 23:59

score 151 · Answer 9 · 2019-01-25 07:00:20

151

Views

Maximum number of linearly independent vectors subject to a constraint

Published on 25 Jan 2019 - 7:00

score 54 · Answer 10 · 2019-01-25 11:08:47

54

Views

Need help to approach a question of Mensuration

Published on 25 Jan 2019 - 11:08

score 54 · Answer 11 · 2026-03-25 07:53:20

54

Views

Irrational packing of Euclidean spaces (with no gaps).

Published on 25 Mar 2026 - 7:53

score 1.1k · Answer 12 · 2026-03-25 17:39:25

1.1k

Views

Is there a possible geometric method to find length of this equilateral triangle?

Published on 25 Mar 2026 - 17:39

score 264 · Answer 13 · 2026-03-28 23:59:11

264

Views

Equilateral triangle that has its vertices on the centers of $3$ different chords of a circle

Published on 28 Mar 2026 - 23:59

score 101 · Answer 14 · 2026-03-30 10:38:10

101

Views

Number of circles with equal radius around a point

Published on 30 Mar 2026 - 10:38

score 1.6k · Answer 15 · 2019-01-28 15:26:24

1.6k

Views

Geometrical interpretation of systems of linear equations with infinitely many solutions

Published on 28 Jan 2019 - 15:26

List Question

Is an apeirogon contained in the euclidean plane?

Proving $|CH| = 2|OM|$ of $\triangle ABC$ of which $O$ is the circumcenter and $H$ is the orthocenter.

Intuitively, why should I expect a circle in the complex plane from the equation $\left|\frac{z-1}{z+1}\right| = c$?

Which double cone splits a sphere into two equal volumes?

Measure of how much a homeomorphism distorts a shape.

For $G$ the centroid in $\triangle ABC$, if $AB+GC=AC+GB$, then $\triangle ABC$ is isosceles. (Likewise, for the incenter.)

Geometry with triangle ABC

For I the incenter in △ABC, if AB+IC=AC+IB, then △ABC is isosceles.

Maximum number of linearly independent vectors subject to a constraint

Need help to approach a question of Mensuration

Irrational packing of Euclidean spaces (with no gaps).

Is there a possible geometric method to find length of this equilateral triangle?

Equilateral triangle that has its vertices on the centers of $3$ different chords of a circle

Number of circles with equal radius around a point

Geometrical interpretation of systems of linear equations with infinitely many solutions

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