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Recovering the third internal barycentric distance from a 3-point triangle and two internal distances

score 72 · Answer 1 · 2026-03-25 07:48:36

72

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Recovering the third internal barycentric distance from a 3-point triangle and two internal distances

Published on 25 Mar 2026 - 7:48

score 201 · Answer 2 · 2026-02-23 10:06:01

201

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A formula involving the projection of the orthocenter onto a median

Published on 23 Feb 2026 - 10:06

score 188 · Answer 3 · 2026-03-25 23:36:59

188

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Relation between tangent circles and side of a triangle

Published on 25 Mar 2026 - 23:36

score 27 · Answer 4 · 2023-03-29 18:00:39

27

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Find the interval of the real number and side-length $y$ such that the angle corresponding to it in this triangle is acute without the law of cosines.

Published on 29 Mar 2023 - 18:00

score 51 · Answer 5 · 2026-03-29 15:40:30

51

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Here is this pyramid. Find a specific angle by knowing its base's side and angle, and altitude of the pyramid

Published on 29 Mar 2026 - 15:40

score 81 · Answer 6 · 2023-03-30 08:42:48

81

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Prove $ P ≤ \frac{\sqrt 3}{4}(abc)^\frac{2}{3} $ for triangle with sides $ a,b,c $ and area P

Published on 30 Mar 2023 - 8:42

score 63 · Answer 7 · 2026-04-08 21:51:13

63

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Can someone explain why the angle has to be obtuse?

Published on 08 Apr 2026 - 21:51

score 320 · Answer 8 · 2026-03-25 06:00:11

320

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Calculating the barycentric coordinates for a point based on edge lengths alone

Published on 25 Mar 2026 - 6:00

score 109 · Answer 9 · 2023-03-31 09:14:46

109

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A relationship involving mutual distances between the feet of the median, the altitude and the angle bissector

Published on 31 Mar 2023 - 9:14

score 48 · Answer 10 · 2023-03-31 13:27:58

48

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To find the sum of all possible perimeters of a triangle

Published on 31 Mar 2023 - 13:27

score 77 · Answer 11 · 2026-03-26 14:33:01

77

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Locus involving a variable triangle

Published on 26 Mar 2026 - 14:33

score 31 · Answer 12 · 2023-04-01 14:44:13

31

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A problem related to areas of triangles

Published on 01 Apr 2023 - 14:44

score 1.2k · Answer 13 · 2026-03-29 15:38:56

1.2k

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Is my Proof of Pythagorean Theorem by Trigonometry correct?

Published on 29 Mar 2026 - 15:38

score 98 · Answer 14 · 2026-03-28 06:22:48

98

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How many convex polygons can be made from $16$ identical right angle triangles?

Published on 28 Mar 2026 - 6:22

score 77 · Answer 15 · 2023-04-02 21:47:13

77

Views

How to determine the edge points of a line segment passing through a point on a ternary diagram

Published on 02 Apr 2023 - 21:47

List Question

Recovering the third internal barycentric distance from a 3-point triangle and two internal distances

A formula involving the projection of the orthocenter onto a median

Relation between tangent circles and side of a triangle

Find the interval of the real number and side-length $y$ such that the angle corresponding to it in this triangle is acute without the law of cosines.

Here is this pyramid. Find a specific angle by knowing its base's side and angle, and altitude of the pyramid

Prove $ P ≤ \frac{\sqrt 3}{4}(abc)^\frac{2}{3} $ for triangle with sides $ a,b,c $ and area P

Can someone explain why the angle has to be obtuse?

Calculating the barycentric coordinates for a point based on edge lengths alone

A relationship involving mutual distances between the feet of the median, the altitude and the angle bissector

To find the sum of all possible perimeters of a triangle

Locus involving a variable triangle

A problem related to areas of triangles

Is my Proof of Pythagorean Theorem by Trigonometry correct?

How many convex polygons can be made from $16$ identical right angle triangles?

How to determine the edge points of a line segment passing through a point on a ternary diagram

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