Question

Relationship between the altitude of an isosceles triangle and segments drawn to the lateral side from a point on the base.

score 893 · Answer 1 · 2014-09-18 04:56:32

893

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Relationship between the altitude of an isosceles triangle and segments drawn to the lateral side from a point on the base.

Published on 18 Sep 2014 - 4:56

score 255 · Answer 2 · 2014-09-18 20:51:41

255

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Constructing triangle using side length-median relationship

Published on 18 Sep 2014 - 20:51

score 18.3k · Answer 3 · 2026-03-28 15:56:09

18.3k

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How to determine if a triangle can be drawn with the given points.

Published on 28 Mar 2026 - 15:56

score 3.6k · Answer 4 · 2026-03-26 04:51:15

3.6k

Views

Alternate proof for $a^2+b^2+c^2\le 9R^2$

Published on 26 Mar 2026 - 4:51

score 1.5k · Answer 5 · 2014-09-21 11:38:50

1.5k

Views

Find side of an equilateral triangle inscribed in a rhombus

Published on 21 Sep 2014 - 11:38

score 229 · Answer 6 · 2014-09-21 19:09:20

229

Views

Area of similar triangle

Published on 21 Sep 2014 - 19:09

score 68 · Answer 7 · 2014-09-22 18:33:58

68

Views

Prove that $a,b,c$ are the sides of a triangle

Published on 22 Sep 2014 - 18:33

score 1.7k · Answer 8 · 2026-03-25 18:56:17

1.7k

Views

Given the coordinates of four points on a plane, how can one determine the shape they form?

Published on 25 Mar 2026 - 18:56

score 81 · Answer 9 · 2014-09-24 01:37:48

81

Views

Smallest turning angle

Published on 24 Sep 2014 - 1:37

score 62 · Answer 10 · 2014-09-26 01:56:52

62

Views

If the hypotenuse is $4$ times the height from $A$, prove that one of the angles is $15^\circ$

Published on 26 Sep 2014 - 1:56

score 1.8k · Answer 11 · 2014-09-26 04:14:40

1.8k

Views

A triangle determinant that is always zero

Published on 26 Sep 2014 - 4:14

score 162 · Answer 12 · 2014-09-26 17:39:01

If $R$ is the circumradius of $\triangle ABC$, and $\cos A=\frac1{2R}$, $\cos B=\frac1{R}$ and $\cos C= \frac3{2R}$, then is it unique and its area?

score 1.3k · Answer 13 · 2026-03-27 03:48:18

1.3k

Views

Weighted Interpolation over Triangle

Published on 27 Mar 2026 - 3:48

score 602 · Answer 14 · 2014-09-27 07:10:35

602

Views

Radius of circumscribed circle of triangle as function of the sides

Published on 27 Sep 2014 - 7:10

score 20.5k · Answer 15 · 2014-09-28 21:03:01

20.5k

Views

Calculate the angle from the given points coordinates.

Published on 28 Sep 2014 - 21:03

List Question

Relationship between the altitude of an isosceles triangle and segments drawn to the lateral side from a point on the base.

Constructing triangle using side length-median relationship

How to determine if a triangle can be drawn with the given points.

Alternate proof for $a^2+b^2+c^2\le 9R^2$

Find side of an equilateral triangle inscribed in a rhombus

Area of similar triangle

Prove that $a,b,c$ are the sides of a triangle

Given the coordinates of four points on a plane, how can one determine the shape they form?

Smallest turning angle

If the hypotenuse is $4$ times the height from $A$, prove that one of the angles is $15^\circ$

A triangle determinant that is always zero

If $R$ is the circumradius of $\triangle ABC$, and $\cos A=\frac1{2R}$, $\cos B=\frac1{R}$ and $\cos C= \frac3{2R}$, then is it unique and its area?

Weighted Interpolation over Triangle

Radius of circumscribed circle of triangle as function of the sides

Calculate the angle from the given points coordinates.

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