Question

Finding the circumradius of a regular tetrahedron

score 2.1k · Answer 1 · 2026-04-18 15:21:08

2.1k

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Finding the circumradius of a regular tetrahedron

Published on 18 Apr 2026 - 15:21

score 617 · Answer 2 · 2026-04-17 15:43:46

617

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How to reverse this projection?

Published on 17 Apr 2026 - 15:43

score 33 · Answer 3 · 2026-04-11 12:37:05

33

Views

Which conditions are sufficient to prove a transformation in $\mathbb{R}^2$ is affine?

Published on 11 Apr 2026 - 12:37

score 296 · Answer 4 · 2026-04-12 22:12:09

296

Views

Performing queries to find the triangle with the largest perimeter from an array of given side.

Published on 12 Apr 2026 - 22:12

score 218 · Answer 5 · 2026-04-17 22:17:26

218

Views

Why does the mid point formula work no matter what the sign of coordinates are?

Published on 17 Apr 2026 - 22:17

score 71 · Answer 6 · 2026-04-09 06:39:22

71

Views

Conversion between origins and coordinate systems

Published on 09 Apr 2026 - 6:39

score 1.1k · Answer 7 · 2026-04-16 16:28:44

1.1k

Views

Finding the angle between the horizontal line and the inclined line

Published on 16 Apr 2026 - 16:28

score 43 · Answer 8 · 2026-04-15 13:21:48

43

Views

Number of triangles.

Published on 15 Apr 2026 - 13:21

score 238 · Answer 9 · 2026-04-11 15:24:13

238

Views

A concentric circle problem

Published on 11 Apr 2026 - 15:24

score 708 · Answer 10 · 2026-04-10 19:19:52

708

Views

Spiral tangents form constant angle with polar lines.

Published on 10 Apr 2026 - 19:19

score 1.5k · Answer 11 · 2026-04-14 10:50:09

1.5k

Views

find a plane that passes through one line and is parallel to another

Published on 14 Apr 2026 - 10:50

score 194 · Answer 12 · 2026-04-14 09:08:47

194

Views

parameterization of the intersection's curve of two surfaces

Published on 14 Apr 2026 - 9:08

score 231 · Answer 13 · 2026-04-16 06:43:24

231

Views

Mistake in proof of $\sin(a+b)=\sin(a)\cos(b)+\cos(a)\sin(b)$

Published on 16 Apr 2026 - 6:43

score 689 · Answer 14 · 2026-04-16 00:00:30

689

Views

Show that max number of faces is $n^2/2 + n/2 + 1$ for an arrangement with $n(n-1)/2$ vertices and n^2 edges

Published on 16 Apr 2026 - 0:00

score 529 · Answer 15 · 2026-04-09 03:52:40

529

Views

Pack three largest sphere in a cube with given length.

Published on 09 Apr 2026 - 3:52

List Question

Finding the circumradius of a regular tetrahedron

How to reverse this projection?

Which conditions are sufficient to prove a transformation in $\mathbb{R}^2$ is affine?

Performing queries to find the triangle with the largest perimeter from an array of given side.

Why does the mid point formula work no matter what the sign of coordinates are?

Conversion between origins and coordinate systems

Finding the angle between the horizontal line and the inclined line

Number of triangles.

A concentric circle problem

Spiral tangents form constant angle with polar lines.

find a plane that passes through one line and is parallel to another

parameterization of the intersection's curve of two surfaces

Mistake in proof of $\sin(a+b)=\sin(a)\cos(b)+\cos(a)\sin(b)$

Show that max number of faces is $n^2/2 + n/2 + 1$ for an arrangement with $n(n-1)/2$ vertices and n^2 edges

Pack three largest sphere in a cube with given length.

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