Question

Proportionallity between area and sides of a triangle.

score 60 · Answer 1 · 2026-04-04 14:14:43

60

Views

Proportionallity between area and sides of a triangle.

Published on 04 Apr 2026 - 14:14

score 103 · Answer 2 · 2026-03-26 09:09:57

103

Views

A basis with $e_i\cdot e_j<0$ implies a dual basis with $f_i\cdot f_j>0$?

Published on 26 Mar 2026 - 9:09

score 206 · Answer 3 · 2026-03-26 08:00:40

206

Views

If $u_i\cdot u_j<0$ for all $u_0,...,u_n\in\Bbb R^n$, then the $u_i$ cannot lie in the same halfspace?

Published on 26 Mar 2026 - 8:00

score 99 · Answer 4 · 2020-04-21 07:43:37

99

Views

Euclid's Elements Book 1 Proposition 24

Published on 21 Apr 2020 - 7:43

score 44 · Answer 5 · 2026-04-04 14:18:50

44

Views

The area of the triangle $OCE$ is $3\sqrt{5}a^2$. Compute the area of the blue triangle $ACD$.

Published on 04 Apr 2026 - 14:18

score 88 · Answer 6 · 2026-04-04 14:13:30

88

Views

Alternative methods of solving an angle in an equilateral triangle

Published on 04 Apr 2026 - 14:13

score 334 · Answer 7 · 2026-03-26 13:00:53

334

Views

If the side lengths of a triangle increase and the third side is fixed, the opposite angle decreases

Published on 26 Mar 2026 - 13:00

score 77 · Answer 8 · 2026-03-26 12:46:55

77

Views

Purely geometric derivation of the circle surface

Published on 26 Mar 2026 - 12:46

score 70 · Answer 9 · 2026-04-04 14:18:49

70

Views

Find the area of a quadrilateral $MBNP$ if the area of $\Delta ABC$ is $30\mathrm{cm}^2$

Published on 04 Apr 2026 - 14:18

score 152 · Answer 10 · 2026-03-28 08:35:38

152

Views

How do you prove $S_{XYZT} \leq \dfrac{1}{5} S_{ABCD} $?

Published on 28 Mar 2026 - 8:35

score 66 · Answer 11 · 2026-03-26 21:10:22

66

Views

Is there a way to determine which angles, $3\theta$, are trisectable into $\theta$? Even when the angle $3\theta$ isn't constructible to begin with?

Published on 26 Mar 2026 - 21:10

score 379 · Answer 12 · 2020-04-24 06:01:08

379

Views

Probability of picking two points on the circumfrence of a unit circle less than some distance $d$ apart?

Published on 24 Apr 2020 - 6:01

score 76 · Answer 13 · 2026-03-28 14:06:37

76

Views

Prove that altitude of a triangle and median of the opposite triangle belong to the same line

Published on 28 Mar 2026 - 14:06

score 81 · Answer 14 · 2026-04-08 21:20:35

81

Views

Synthetic Proof for a Geometry problem

Published on 08 Apr 2026 - 21:20

score 103 · Answer 15 · 2026-04-04 16:20:23

103

Views

In a parallelogram $ ABCD, MN\parallel BD$. Prove that $\operatorname{Area}(\Delta MBC)=\operatorname{Area}(\Delta NCD).$

Published on 04 Apr 2026 - 16:20

List Question

Proportionallity between area and sides of a triangle.

A basis with $e_i\cdot e_j<0$ implies a dual basis with $f_i\cdot f_j>0$?

If $u_i\cdot u_j<0$ for all $u_0,...,u_n\in\Bbb R^n$, then the $u_i$ cannot lie in the same halfspace?

Euclid's Elements Book 1 Proposition 24

The area of the triangle $OCE$ is $3\sqrt{5}a^2$. Compute the area of the blue triangle $ACD$.

Alternative methods of solving an angle in an equilateral triangle

If the side lengths of a triangle increase and the third side is fixed, the opposite angle decreases

Purely geometric derivation of the circle surface

Find the area of a quadrilateral $MBNP$ if the area of $\Delta ABC$ is $30\mathrm{cm}^2$

How do you prove $S_{XYZT} \leq \dfrac{1}{5} S_{ABCD} $?

Is there a way to determine which angles, $3\theta$, are trisectable into $\theta$? Even when the angle $3\theta$ isn't constructible to begin with?

Probability of picking two points on the circumfrence of a unit circle less than some distance $d$ apart?

Prove that altitude of a triangle and median of the opposite triangle belong to the same line

Synthetic Proof for a Geometry problem

In a parallelogram $ ABCD, MN\parallel BD$. Prove that $\operatorname{Area}(\Delta MBC)=\operatorname{Area}(\Delta NCD).$

Trending Questions

Popular # Hahtags

Popular Questions