Question

Using Square area finding quadrilateral area

score 591 · Answer 1 · 2026-04-12 23:44:48

591

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Using Square area finding quadrilateral area

Published on 12 Apr 2026 - 23:44

score 172 · Answer 2 · 2026-04-10 15:06:12

172

Views

A numerical coincidence with continued fractions

Published on 10 Apr 2026 - 15:06

score 626 · Answer 3 · 2026-04-13 05:03:39

626

Views

Problem on hyperbolic hyperboloid generated by a rotation

Published on 13 Apr 2026 - 5:03

score 562 · Answer 4 · 2026-04-13 16:46:42

562

Views

Probability that points are on a straight line

Published on 13 Apr 2026 - 16:46

score 322 · Answer 5 · 2026-04-10 02:56:22

322

Views

Biggest ball included in an intersection of balls

Published on 10 Apr 2026 - 2:56

score 128 · Answer 6 · 2026-04-13 02:49:34

128

Views

Curious basic Euclidean geometry relation

Published on 13 Apr 2026 - 2:49

score 28 · Answer 7 · 2026-04-15 01:48:05

28

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Let $Ax = b$ be a system of hyper-planes that form a bounded convex $D$. Can $D$ be partitioned into union of adjacent simplices?

Published on 15 Apr 2026 - 1:48

score 140 · Answer 8 · 2026-04-10 10:54:16

140

Views

3D Geometry Question

Published on 10 Apr 2026 - 10:54

score 390 · Answer 9 · 2026-04-12 20:11:07

390

Views

Can a tetrahedron lying completely inside another tetrahedron have a larger sum of edge lengths?

Published on 12 Apr 2026 - 20:11

score 397 · Answer 10 · 2026-04-12 07:17:57

397

Views

Circle Chord Sequence

Published on 12 Apr 2026 - 7:17

score 314 · Answer 11 · 2026-04-19 13:19:44

314

Views

At least one vertex of a tetrahedron projects to the interior of the opposite triangle

Published on 19 Apr 2026 - 13:19

score 1.8k · Answer 12 · 2026-04-15 11:34:38

1.8k

Views

Finding the x-coordinate of the max point of $y = x\sqrt {\sin x} $ so that it satisfies the equation $2\tan x + x = 0$

Published on 15 Apr 2026 - 11:34

score 1.4k · Answer 13 · 2026-04-17 03:44:14

1.4k

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Do the tangents of two circles define concentric circles?

Published on 17 Apr 2026 - 3:44

score 6.1k · Answer 14 · 2026-05-04 10:01:15

6.1k

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Sum of distances from triangle vertices to interior point is less than perimeter?

Published on 04 May 2026 - 10:01

score 312 · Answer 15 · 2026-04-15 16:51:37

Why is it impossible to find distinct $z_1,z_2,z_3, z_4\in \mathbb C$ such that $|z_1- z_2|=|z_1-z_3|=|z_2-z_3|=|z_1-z_4|=|z_2-z_4|=|z_3-z_4|$?

List Question

Using Square area finding quadrilateral area

A numerical coincidence with continued fractions

Problem on hyperbolic hyperboloid generated by a rotation

Probability that points are on a straight line

Biggest ball included in an intersection of balls

Curious basic Euclidean geometry relation

Let $Ax = b$ be a system of hyper-planes that form a bounded convex $D$. Can $D$ be partitioned into union of adjacent simplices?

3D Geometry Question

Can a tetrahedron lying completely inside another tetrahedron have a larger sum of edge lengths?

Circle Chord Sequence

At least one vertex of a tetrahedron projects to the interior of the opposite triangle

Finding the x-coordinate of the max point of $y = x\sqrt {\sin x} $ so that it satisfies the equation $2\tan x + x = 0$

Do the tangents of two circles define concentric circles?

Sum of distances from triangle vertices to interior point is less than perimeter?

Why is it impossible to find distinct $z_1,z_2,z_3, z_4\in \mathbb C$ such that $|z_1- z_2|=|z_1-z_3|=|z_2-z_3|=|z_1-z_4|=|z_2-z_4|=|z_3-z_4|$?

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