Question

Show that the shortest distance between two opposite edges of a tetrahedron is $\frac{2a}{\sqrt{6}}$.

score 4.5k · Answer 1 · 2026-04-14 02:56:30

4.5k

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Show that the shortest distance between two opposite edges of a tetrahedron is $\frac{2a}{\sqrt{6}}$.

Published on 14 Apr 2026 - 2:56

score 7k · Answer 2 · 2026-04-12 02:20:41

7k

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Finding third vertex given 2 points and centroid

Published on 12 Apr 2026 - 2:20

score 66 · Answer 3 · 2026-04-11 05:45:28

66

Views

Common area size

Published on 11 Apr 2026 - 5:45

score 3k · Answer 4 · 2026-04-14 04:34:58

3k

Views

The origin is a corner of a square and two of its sides are $y+2x=0$ and $y+2x=3$.

Published on 14 Apr 2026 - 4:34

score 268 · Answer 5 · 2026-04-11 12:34:03

268

Views

Proof in scalar triple product identities

Published on 11 Apr 2026 - 12:34

score 999 · Answer 6 · 2026-04-16 02:26:27

999

Views

If $AG^2 + BG^2 + CG^2 = 41$, then find $AB^2 + AC^2 + BC^2$.

Published on 16 Apr 2026 - 2:26

score 61 · Answer 7 · 2026-04-10 10:29:53

61

Views

Is it possible that the one boat is behind the other one?

Published on 10 Apr 2026 - 10:29

score 1.9k · Answer 8 · 2026-04-15 23:29:30

1.9k

Views

Find the equation of the circle circumscribing the triangle formed by the three points $(a,0,0)$, $(0,b,0)$ and $(0,0,c)$.

Published on 15 Apr 2026 - 23:29

score 2.3k · Answer 9 · 2026-04-14 20:08:10

2.3k

Views

Probability that length of Randomly chosen chord of a circle

Published on 14 Apr 2026 - 20:08

score 87 · Answer 10 · 2026-04-17 08:22:04

87

Views

Given equation of one side and opposite point, find the equation of the other two sides of triangle

Published on 17 Apr 2026 - 8:22

score 7.6k · Answer 11 · 2026-04-16 18:36:57

7.6k

Views

Angle between two circles (which angle to be considered?)

Published on 16 Apr 2026 - 18:36

score 7.1k · Answer 12 · 2026-04-10 12:28:02

7.1k

Views

Equation of tangents from external point to a circle

Published on 10 Apr 2026 - 12:28

score 3k · Answer 13 · 2026-04-10 01:30:03

3k

Views

What does a reciprocal cone look like?

Published on 10 Apr 2026 - 1:30

score 2.7k · Answer 14 · 2026-04-15 11:06:03

2.7k

Views

What will be the radius of the common circle formed by intersection of two spheres of radii $r_1$ and $r_2$ that cut orthogonally.

Published on 15 Apr 2026 - 11:06

score 219 · Answer 15 · 2026-04-12 00:06:43

219

Views

Circumscription of elliptic torus in a spheroid

Published on 12 Apr 2026 - 0:06

List Question

Show that the shortest distance between two opposite edges of a tetrahedron is $\frac{2a}{\sqrt{6}}$.

Finding third vertex given 2 points and centroid

Common area size

The origin is a corner of a square and two of its sides are $y+2x=0$ and $y+2x=3$.

Proof in scalar triple product identities

If $AG^2 + BG^2 + CG^2 = 41$, then find $AB^2 + AC^2 + BC^2$.

Is it possible that the one boat is behind the other one?

Find the equation of the circle circumscribing the triangle formed by the three points $(a,0,0)$, $(0,b,0)$ and $(0,0,c)$.

Probability that length of Randomly chosen chord of a circle

Given equation of one side and opposite point, find the equation of the other two sides of triangle

Angle between two circles (which angle to be considered?)

Equation of tangents from external point to a circle

What does a reciprocal cone look like?

What will be the radius of the common circle formed by intersection of two spheres of radii $r_1$ and $r_2$ that cut orthogonally.

Circumscription of elliptic torus in a spheroid

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