Question

Do these lines in 3D space intersect?

score 39 · Answer 1 · 2018-09-29 15:12:32

39

Views

Do these lines in 3D space intersect?

Published on 29 Sep 2018 - 15:12

score 52 · Answer 2 · 2018-09-29 20:31:07

52

Views

Equation of Plane involving Intersection of planes

Published on 29 Sep 2018 - 20:31

score 255 · Answer 3 · 2018-10-01 11:13:04

255

Views

What are some nice proofs-by-cutting-and-pasting?

Published on 01 Oct 2018 - 11:13

score 451 · Answer 4 · 2018-10-01 17:38:21

451

Views

What is the maximum number of regions in 3D space a plane can intersect?

Published on 01 Oct 2018 - 17:38

score 49 · Answer 5 · 2018-10-02 09:42:45

49

Views

How to solve the following differential equation of a figure of eight?

Published on 02 Oct 2018 - 9:42

score 2.1k · Answer 6 · 2026-03-25 13:59:06

2.1k

Views

distance between intersection of two planes and origin

Published on 25 Mar 2026 - 13:59

score 148 · Answer 7 · 2018-10-06 11:48:28

148

Views

Prove that $n$ lines form $[n(n+1)/2]+1$

Published on 06 Oct 2018 - 11:48

score 109 · Answer 8 · 2018-10-06 23:53:02

109

Views

When a third vector in a plane does not lie in the span of 2 linearly independent vectors in the plane

Published on 06 Oct 2018 - 23:53

score 184 · Answer 9 · 2026-03-25 19:10:37

184

Views

Find value of angle B

Published on 25 Mar 2026 - 19:10

score 260 · Answer 10 · 2018-10-12 23:11:10

260

Views

Approach on solving a word problem based on cyclic geometry

Published on 12 Oct 2018 - 23:11

score 40 · Answer 11 · 2018-10-15 21:24:49

40

Views

Line and distance equation

Published on 15 Oct 2018 - 21:24

score 51 · Answer 12 · 2018-10-19 15:44:52

51

Views

Distance of a plane

Published on 19 Oct 2018 - 15:44

score 659 · Answer 13 · 2018-10-19 20:05:47

659

Views

Given a plane and a line, find the equation of another plane that has an angle 30 of degree to the given plane and contains the given line.

Published on 19 Oct 2018 - 20:05

score 133 · Answer 14 · 2018-10-21 04:05:11

133

Views

In $\bigtriangleup OAB,\angle\mathrm{AOB}=90^\circ.$ Let C lie on segment $AB$ such that $\overrightarrow{OC}\;\perp\;\overrightarrow{AB}$.

Published on 21 Oct 2018 - 4:05

score 2k · Answer 15 · 2026-03-25 22:11:24

2k

Views

What is the radius of the red circle?

Published on 25 Mar 2026 - 22:11

List Question

Do these lines in 3D space intersect?

Equation of Plane involving Intersection of planes

What are some nice proofs-by-cutting-and-pasting?

What is the maximum number of regions in 3D space a plane can intersect?

How to solve the following differential equation of a figure of eight?

distance between intersection of two planes and origin

Prove that $n$ lines form $[n(n+1)/2]+1$

When a third vector in a plane does not lie in the span of 2 linearly independent vectors in the plane

Find value of angle B

Approach on solving a word problem based on cyclic geometry

Line and distance equation

Distance of a plane

Given a plane and a line, find the equation of another plane that has an angle 30 of degree to the given plane and contains the given line.

In $\bigtriangleup OAB,\angle\mathrm{AOB}=90^\circ.$ Let C lie on segment $AB$ such that $\overrightarrow{OC}\;\perp\;\overrightarrow{AB}$.

What is the radius of the red circle?

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