Question

Finding a reflection that exchanges two unit vectors

score 114 · Answer 1 · 2020-03-23 17:57:52

114

Views

Finding a reflection that exchanges two unit vectors

Published on 23 Mar 2020 - 17:57

score 153 · Answer 2 · 2026-04-06 21:06:53

153

Views

The difference of two vectors in a hyperplane also lies in the hyperplane?

Published on 06 Apr 2026 - 21:06

score 610 · Answer 3 · 2020-03-24 05:24:36

610

Views

Pythagoras vs the manhattan distance

Published on 24 Mar 2020 - 5:24

score 257 · Answer 4 · 2026-03-28 08:29:32

257

Views

Proving 4 points on a circle.

Published on 28 Mar 2026 - 8:29

score 167 · Answer 5 · 2026-04-04 04:19:44

167

Views

prove that midpoints of DC,AE,BF are collinear

Published on 04 Apr 2026 - 4:19

score 75 · Answer 6 · 2020-03-24 15:02:05

75

Views

Is it possible to draw an isosceles triangle with a compass and a ruler?

Published on 24 Mar 2020 - 15:02

score 63 · Answer 7 · 2020-03-24 16:04:55

63

Views

Necessary and sufficient condition that a quadrilateral has equal diagonals

Published on 24 Mar 2020 - 16:04

score 170 · Answer 8 · 2020-03-24 16:26:38

170

Views

Betweenness proof relating to false proof for "all triangles are isosceles" / danger in diagrams

Published on 24 Mar 2020 - 16:26

score 45 · Answer 9 · 2026-04-04 04:20:01

45

Views

Different ways to prove similarity of the given triangles

Published on 04 Apr 2026 - 4:20

score 64 · Answer 10 · 2020-03-24 21:56:06

64

Views

A question about when a triangle has a maximum area

Published on 24 Mar 2020 - 21:56

score 227 · Answer 11 · 2026-03-25 22:05:00

227

Views

Use Szemerédi-Trotter to show that $n$ points in the plane determine at most $O(n^{7/3})$ triangles that contain a fixed acute angle $\alpha$.

Published on 25 Mar 2026 - 22:05

score 473 · Answer 12 · 2026-03-31 16:26:55

473

Views

In triangle $ABC$, $AA_1$, $BB_1$, $CC_1$ divide sides in ratio of $1: 2$ and meet at $M$, $K$, $L$. Find area relation of $KLM$ and $ABC$

Published on 31 Mar 2026 - 16:26

score 91 · Answer 13 · 2020-03-25 21:40:40

91

Views

Composition of two rotations in $\mathbb{R}^3$ around skewed axis.

Published on 25 Mar 2020 - 21:40

score 155 · Answer 14 · 2020-03-26 08:38:57

155

Views

Euclidean distances of polar coordinates?

Published on 26 Mar 2020 - 8:38

score 23 · Answer 15 · 2020-03-26 09:50:14

23

Views

Max spiral / curve length inside circle which can cross any radius once

Published on 26 Mar 2020 - 9:50

List Question

Finding a reflection that exchanges two unit vectors

The difference of two vectors in a hyperplane also lies in the hyperplane?

Pythagoras vs the manhattan distance

Proving 4 points on a circle.

prove that midpoints of DC,AE,BF are collinear

Is it possible to draw an isosceles triangle with a compass and a ruler?

Necessary and sufficient condition that a quadrilateral has equal diagonals

Betweenness proof relating to false proof for "all triangles are isosceles" / danger in diagrams

Different ways to prove similarity of the given triangles

A question about when a triangle has a maximum area

Use Szemerédi-Trotter to show that $n$ points in the plane determine at most $O(n^{7/3})$ triangles that contain a fixed acute angle $\alpha$.

In triangle $ABC$, $AA_1$, $BB_1$, $CC_1$ divide sides in ratio of $1: 2$ and meet at $M$, $K$, $L$. Find area relation of $KLM$ and $ABC$

Composition of two rotations in $\mathbb{R}^3$ around skewed axis.

Euclidean distances of polar coordinates?

Max spiral / curve length inside circle which can cross any radius once

Trending Questions

Popular # Hahtags

Popular Questions