Question

Scaling triangle angle without calculating side lengths first

score 740 · Answer 1 · 2026-03-29 03:28:13

740

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Scaling triangle angle without calculating side lengths first

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score 80 · Answer 2 · 2017-01-24 09:45:53

80

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score 1.1k · Answer 3 · 2017-01-24 12:07:31

1.1k

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Permutations around an isosceles triangle

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score 360 · Answer 4 · 2026-04-03 04:51:24

360

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Rational length between Fermat point and vertices in a triangle with rational sides

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score 118 · Answer 5 · 2026-03-26 12:40:32

118

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Existence of a Right angled triangle in a two coloured plane

Published on 26 Mar 2026 - 12:40

score 79 · Answer 6 · 2017-01-25 15:48:20

79

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Triangle lengths inequality

Published on 25 Jan 2017 - 15:48

score 754 · Answer 7 · 2017-01-26 04:45:14

754

Views

altitudes of a triangle through a common point (concurence)?

Published on 26 Jan 2017 - 4:45

score 263 · Answer 8 · 2026-04-03 02:10:48

263

Views

How to explain this geometry problem to an 8th grader?

Published on 03 Apr 2026 - 2:10

score 357 · Answer 9 · 2026-03-25 04:41:13

357

Views

The Canonical Triangle of a Tetrahedron

Published on 25 Mar 2026 - 4:41

score 223 · Answer 10 · 2017-01-27 12:23:48

223

Views

Prove for isosceles triangle using rotation at specific point and $\alpha = 45^°$

Published on 27 Jan 2017 - 12:23

score 5.7k · Answer 11 · 2017-01-27 14:06:24

5.7k

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Find orthocentre of a triangle given equations of its three sides, without finding triangle's vertices

Published on 27 Jan 2017 - 14:06

score 219 · Answer 12 · 2017-01-28 13:24:31

219

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$ABC$ is an inscribed triangle, $PM\perp AB$, $PN\perp AC$ and $PR\perp BC$. Prove that MNR is called Simson line.

Published on 28 Jan 2017 - 13:24

score 492 · Answer 13 · 2017-01-28 16:54:30

492

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In Triangle ABC , AD , BE and CF are altitudes . Angle FDE = 60 and FE=8. Find BC.

Published on 28 Jan 2017 - 16:54

score 368 · Answer 14 · 2026-04-01 22:40:51

368

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Why is a hypotenuse unmeasurable?

Published on 01 Apr 2026 - 22:40

score 44 · Answer 15 · 2017-01-28 19:58:30

44

Views

Area of generation $n$ triangles

Published on 28 Jan 2017 - 19:58

List Question

Scaling triangle angle without calculating side lengths first

Area of a Triangle - what is the formula?

Permutations around an isosceles triangle

Rational length between Fermat point and vertices in a triangle with rational sides

Existence of a Right angled triangle in a two coloured plane

Triangle lengths inequality

altitudes of a triangle through a common point (concurence)?

How to explain this geometry problem to an 8th grader?

The Canonical Triangle of a Tetrahedron

Prove for isosceles triangle using rotation at specific point and $\alpha = 45^°$

Find orthocentre of a triangle given equations of its three sides, without finding triangle's vertices

$ABC$ is an inscribed triangle, $PM\perp AB$, $PN\perp AC$ and $PR\perp BC$. Prove that MNR is called Simson line.

In Triangle ABC , AD , BE and CF are altitudes . Angle FDE = 60 and FE=8. Find BC.

Why is a hypotenuse unmeasurable?

Area of generation $n$ triangles

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