Question

Concentric circles, and distances from one point to the endpoints of a diameter of the other.

score 949 · Answer 1 · 2015-10-25 02:02:12

Concentric circles, and distances from one point to the endpoints of a diameter of the other.

Published on 25 Oct 2015 - 2:02

score 58 · Answer 2 · 2026-04-14 02:18:23

Problem involving the product of a secant and its exterior section that is created through a perpendicular to an extended diameter.

score 730 · Answer 3 · 2026-04-29 12:17:33

730

Views

How to prove three points are collinear when constructing a rectangle

Published on 29 Apr 2026 - 12:17

score 56 · Answer 4 · 2015-10-26 07:52:23

56

Views

What is the area of polygon DHEIFG?

Published on 26 Oct 2015 - 7:52

score 102 · Answer 5 · 2015-10-26 10:29:21

102

Views

What does $\mathbb{R}^\mathbb{N}$ actually mean?

Published on 26 Oct 2015 - 10:29

score 180 · Answer 6 · 2015-10-26 17:24:29

180

Views

Prove 4 points cyclic in an acute scalene triangle

Published on 07 May 2026 - 9:59

score 65 · Answer 8 · 2015-10-28 01:09:42

65

Views

Proving the possibility of rectangles within another

Published on 28 Oct 2015 - 1:09

score 135 · Answer 9 · 2015-10-29 22:59:14

Prove intersection between side length and tangent to circumcircle at opposite vertex is collinear with points on perpendicular bisectors of sides

score 77 · Answer 10 · 2015-10-30 12:12:13

77

Views

How do I draw 3 colinear points only using a compass?

Published on 30 Oct 2015 - 12:12

score 990 · Answer 11 · 2026-04-22 19:46:04

990

Views

Proof of converse of Menelaus's Theorem

Published on 22 Apr 2026 - 19:46

score 31 · Answer 12 · 2015-10-31 19:20:34

31

Views

Max intersecting circle collection

Published on 31 Oct 2015 - 19:20

score 1.3k · Answer 13 · 2026-03-30 13:37:19

1.3k

Views

How to prove Playfair's axiom or Euclid's parallel postulate without using angle measure

Published on 30 Mar 2026 - 13:37

score 66 · Answer 14 · 2026-04-16 16:08:52

66

Views

Polyhedron cut along an edge

Published on 16 Apr 2026 - 16:08

score 41 · Answer 15 · 2015-11-03 16:18:30

41

Views

Geometry with right triangles

Published on 03 Nov 2015 - 16:18

List Question

Concentric circles, and distances from one point to the endpoints of a diameter of the other.

Problem involving the product of a secant and its exterior section that is created through a perpendicular to an extended diameter.

How to prove three points are collinear when constructing a rectangle

What is the area of polygon DHEIFG?

What does $\mathbb{R}^\mathbb{N}$ actually mean?

More problem on van Aubel configuration associated with parallelogram and cyclic quadrilateral

Prove 4 points cyclic in an acute scalene triangle

Proving the possibility of rectangles within another

Prove intersection between side length and tangent to circumcircle at opposite vertex is collinear with points on perpendicular bisectors of sides

How do I draw 3 colinear points only using a compass?

Proof of converse of Menelaus's Theorem

Max intersecting circle collection

How to prove Playfair's axiom or Euclid's parallel postulate without using angle measure

Polyhedron cut along an edge

Geometry with right triangles

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