Question

Prove $XX’+ZZ’=YY’$

score 132 · Answer 1 · 2026-04-15 22:44:01

132

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Prove $XX’+ZZ’=YY’$

Published on 15 Apr 2026 - 22:44

score 172 · Answer 2 · 2026-04-13 13:43:07

172

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Constructing a circle tangent to another circle and two sides of a triangle

Published on 13 Apr 2026 - 13:43

score 46 · Answer 3 · 2026-04-11 20:11:27

46

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Trying to understand why a trigonometric substitution for the x value in an equation describing a circle uses Sin($\theta$).

Published on 11 Apr 2026 - 20:11

score 66 · Answer 4 · 2026-04-15 11:15:16

66

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On the equality of sum of areas of "sector-like" regions

Published on 15 Apr 2026 - 11:15

score 31 · Answer 5 · 2026-04-14 03:03:57

31

Views

Number of hexagonal lattice points inside a circle

Published on 14 Apr 2026 - 3:03

score 36 · Answer 6 · 2026-04-18 15:07:39

Quadrilateral ABCD is inscribed in a circle and its diagonals AC and DB intersect at P. If AB = 5, BP = 2 and CD = 6 find CP.

score 31 · Answer 7 · 2026-04-11 17:30:02

31

Views

Does the Tangent theorem for circumferences hold in the sphere $S^2$?

Published on 11 Apr 2026 - 17:30

score 38 · Answer 8 · 2026-04-15 07:00:19

38

Views

3 Cicles Problem: Minimizing the Distances Cost Function

Published on 15 Apr 2026 - 7:00

score 47 · Answer 9 · 2026-04-09 10:04:23

47

Views

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Published on 09 Apr 2026 - 10:04

score 86 · Answer 10 · 2026-04-09 11:32:55

86

Views

Tough geometry problem

Published on 09 Apr 2026 - 11:32

score 25 · Answer 11 · 2026-04-09 11:42:51

25

Views

Finding perpendicular line at on a curve given only three points

Published on 09 Apr 2026 - 11:42

score 25 · Answer 12 · 2026-04-17 12:59:50

25

Views

AB is a chord, find point p on circle such that pa.pb and pa+pb are maximum

Published on 17 Apr 2026 - 12:59

score 66 · Answer 13 · 2026-05-11 05:28:48

66

Views

Center position of an orthogonal rectangle that has a side or corner touching a circumference

Published on 11 May 2026 - 5:28

score 44 · Answer 14 · 2026-04-14 20:57:19

44

Views

Approximation of $\pi$ step by step by using $\sin\frac{60}{2^x}(3(2^x))=\pi$

Published on 14 Apr 2026 - 20:57

score 37 · Answer 15 · 2026-04-15 03:34:06

37

Views

Unique closed-form Formula for Area of Intersection between two Circles with known Radii and Distance between their centers

Published on 15 Apr 2026 - 3:34

List Question

Prove $XX’+ZZ’=YY’$

Constructing a circle tangent to another circle and two sides of a triangle

Trying to understand why a trigonometric substitution for the x value in an equation describing a circle uses Sin($\theta$).

On the equality of sum of areas of "sector-like" regions

Number of hexagonal lattice points inside a circle

Quadrilateral ABCD is inscribed in a circle and its diagonals AC and DB intersect at P. If AB = 5, BP = 2 and CD = 6 find CP.

Does the Tangent theorem for circumferences hold in the sphere $S^2$?

3 Cicles Problem: Minimizing the Distances Cost Function

Circle Angle chasing problem: Compute APC+BQD

Tough geometry problem

Finding perpendicular line at on a curve given only three points

AB is a chord, find point p on circle such that pa.pb and pa+pb are maximum

Center position of an orthogonal rectangle that has a side or corner touching a circumference

Approximation of $\pi$ step by step by using $\sin\frac{60}{2^x}(3(2^x))=\pi$

Unique closed-form Formula for Area of Intersection between two Circles with known Radii and Distance between their centers

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