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Are there any calculus/complex numbers/etc proofs of the pythagorean theorem?

score 3k · Answer 1 · 2026-04-13 12:59:06

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Are there any calculus/complex numbers/etc proofs of the pythagorean theorem?

Published on 13 Apr 2026 - 12:59

score 2.4k · Answer 2 · 2026-04-11 09:45:49

2.4k

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Given a triangle with two known vertices and the angle, get the coordinates of the last vertex

Published on 11 Apr 2026 - 9:45

score 583 · Answer 3 · 2026-04-14 13:00:03

583

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Testing Whether a Vertical Line Intersects a Plane

Published on 14 Apr 2026 - 13:00

score 599 · Answer 4 · 2026-04-13 16:47:25

599

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An inequality satisfied by the circumradius and inradius of a right triangle

Published on 13 Apr 2026 - 16:47

score 5.6k · Answer 5 · 2026-04-15 18:21:28

5.6k

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Ratio of angle divided by a line drawn in triangle?

Published on 15 Apr 2026 - 18:21

score 573 · Answer 6 · 2026-04-14 04:40:03

573

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Triangle geometry - lines that separate in two parts of equal area

Published on 14 Apr 2026 - 4:40

score 3.5k · Answer 7 · 2026-04-14 11:38:06

3.5k

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Sliver triangle

Published on 14 Apr 2026 - 11:38

score 462 · Answer 8 · 2026-04-11 16:39:21

462

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How do I prove that the following method to find whether a point lies within a polygon is correct?

Published on 11 Apr 2026 - 16:39

score 458 · Answer 9 · 2026-04-15 21:03:58

458

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Identity for $4\sin^2\alpha\sin^2\beta\sin^2\gamma$ expressed as product of terms $(\pm\sin\alpha\pm\sin\beta\pm\sin\gamma)$

Published on 15 Apr 2026 - 21:03

score 5.7k · Answer 10 · 2026-04-11 11:13:16

5.7k

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calculating the Fermat point of a triangle

Published on 11 Apr 2026 - 11:13

score 132 · Answer 11 · 2026-04-14 22:21:07

132

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Name for this triangle centre

Published on 14 Apr 2026 - 22:21

score 2.3k · Answer 12 · 2026-04-12 17:52:29

2.3k

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Proving $\cot(A)\cot(B)+\cot(B)\cot(C)+\cot(C)\cot(A)=1$

Published on 12 Apr 2026 - 17:52

score 188 · Answer 13 · 2026-04-14 00:36:10

188

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Is there a solid where all triangles on the surface are isosceles?

Published on 14 Apr 2026 - 0:36

score 6.4k · Answer 14 · 2026-04-15 14:19:11

6.4k

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Determine angle $x$ using only elementary geometry

Published on 15 Apr 2026 - 14:19

score 21.4k · Answer 15 · 2026-04-14 07:29:10

21.4k

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How to find the third coordinate of a right triangle given 2 coordinates and lengths of each side

Published on 14 Apr 2026 - 7:29

List Question

Are there any calculus/complex numbers/etc proofs of the pythagorean theorem?

Given a triangle with two known vertices and the angle, get the coordinates of the last vertex

Testing Whether a Vertical Line Intersects a Plane

An inequality satisfied by the circumradius and inradius of a right triangle

Ratio of angle divided by a line drawn in triangle?

Triangle geometry - lines that separate in two parts of equal area

Sliver triangle

How do I prove that the following method to find whether a point lies within a polygon is correct?

Identity for $4\sin^2\alpha\sin^2\beta\sin^2\gamma$ expressed as product of terms $(\pm\sin\alpha\pm\sin\beta\pm\sin\gamma)$

calculating the Fermat point of a triangle

Name for this triangle centre

Proving $\cot(A)\cot(B)+\cot(B)\cot(C)+\cot(C)\cot(A)=1$

Is there a solid where all triangles on the surface are isosceles?

Determine angle $x$ using only elementary geometry

How to find the third coordinate of a right triangle given 2 coordinates and lengths of each side

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