Question

Surface (superior and lateral) and volume of an ungula

score 49 · Answer 1 · 2026-03-26 13:01:23

49

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Surface (superior and lateral) and volume of an ungula

Published on 26 Mar 2026 - 13:01

score 49 · Answer 2 · 2024-01-05 10:35:15

49

Views

finding the height of a prismoid

Published on 05 Jan 2024 - 10:35

score 61 · Answer 3 · 2026-03-13 10:40:35

61

Views

Prove that all three bisecting planes of the dihedral angles of a trihedral angle intersect along one straight line.

Published on 13 Mar 2026 - 10:40

score 17 · Answer 4 · 2024-01-17 22:02:16

17

Views

How does the angle between tangent vectors of a curve at different points and a given fixed uniform vector field change on rotation of curve?

Published on 17 Jan 2024 - 22:02

score 104 · Answer 5 · 2024-01-19 15:45:27

104

Views

Probability of flipping a Hershey's Kiss and it landing on its base

Published on 19 Jan 2024 - 15:45

score 42 · Answer 6 · 2026-03-26 04:35:04

42

Views

Finding a tetrahedron with known sides of the base and the angles opposite to these sides of the side faces.

Published on 26 Mar 2026 - 4:35

score 135 · Answer 7 · 2024-01-24 04:01:03

135

Views

When can a single plane $P$ be constructed through six lines $\ell_n$ in different planes?

Published on 24 Jan 2024 - 4:01

score 47 · Answer 8 · 2024-02-03 23:03:49

47

Views

Finding the 5-trapezohedron height to width ratio for perfect midsphere

Published on 03 Feb 2024 - 23:03

score 45 · Answer 9 · 2024-02-11 22:31:41

45

Views

The intersection of $ n $ cylinders in $ 3$-dimensional space

Published on 11 Feb 2024 - 22:31

score 55 · Answer 10 · 2024-02-13 03:39:29

55

Views

In a tetrahedron, reflect each point over the line from an edge's midpoint through its center. Is it the tetrahedron itself?

Published on 13 Feb 2024 - 3:39

score 132 · Answer 11 · 2024-02-13 23:05:49

132

Views

Geometrically determining the symmetry of a tetrahedron (using solid geometry, not group theory)

Published on 13 Feb 2024 - 23:05

score 52 · Answer 12 · 2024-02-18 21:37:29

52

Views

Can the construction of this 2D Curve of Constant Width be adapted to a 3D Surface of Constant Width?

Published on 18 Feb 2024 - 21:37

score 2.7k · Answer 13 · 2024-02-20 09:19:57

2.7k

Views

What's wrong with this derivation of the volume of a hemisphere?

Published on 20 Feb 2024 - 9:19

score 52 · Answer 14 · 2026-03-27 07:13:11

52

Views

Can a oblique antiprism be constructed?

Published on 27 Mar 2026 - 7:13

score 81 · Answer 15 · 2026-03-26 21:35:12

81

Views

Can space be augmented with a plane at infinity so that parallel planes intersect at a line at infinity?

Published on 26 Mar 2026 - 21:35

List Question

Surface (superior and lateral) and volume of an ungula

finding the height of a prismoid

Prove that all three bisecting planes of the dihedral angles of a trihedral angle intersect along one straight line.

How does the angle between tangent vectors of a curve at different points and a given fixed uniform vector field change on rotation of curve?

Probability of flipping a Hershey's Kiss and it landing on its base

Finding a tetrahedron with known sides of the base and the angles opposite to these sides of the side faces.

When can a single plane $P$ be constructed through six lines $\ell_n$ in different planes?

Finding the 5-trapezohedron height to width ratio for perfect midsphere

The intersection of $ n $ cylinders in $ 3$-dimensional space

In a tetrahedron, reflect each point over the line from an edge's midpoint through its center. Is it the tetrahedron itself?

Geometrically determining the symmetry of a tetrahedron (using solid geometry, not group theory)

Can the construction of this 2D Curve of Constant Width be adapted to a 3D Surface of Constant Width?

What's wrong with this derivation of the volume of a hemisphere?

Can a oblique antiprism be constructed?

Can space be augmented with a plane at infinity so that parallel planes intersect at a line at infinity?

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