Question

$ABC$ and $XYZ$ have the same orthocenter.

score 50 · Answer 1 · 2018-05-04 21:42:46

50

Views

$ABC$ and $XYZ$ have the same orthocenter.

Published on 04 May 2018 - 21:42

score 422 · Answer 2 · 2026-03-26 18:30:01

422

Views

Can anyone suggest a book on using complex numbers to solve geometry problems?

Published on 26 Mar 2026 - 18:30

score 102 · Answer 3 · 2018-05-07 22:17:40

102

Views

Determine the height of a triangle by given cathetus and hypotenuse for two similarity triangles

Published on 07 May 2018 - 22:17

score 456 · Answer 4 · 2018-05-10 06:12:07

456

Views

Angle of Intersection Between two Planes as Viewed from an Oblique Third Intersecting Plane

Published on 10 May 2018 - 6:12

score 943 · Answer 5 · 2026-03-25 16:03:12

943

Views

Find the altitude of a tetrahedron whose faces are congruent triangles

Published on 25 Mar 2026 - 16:03

score 83 · Answer 6 · 2026-03-25 05:59:59

83

Views

How/when do we use circle inversions to solve problems?

Published on 25 Mar 2026 - 5:59

score 158 · Answer 7 · 2026-03-25 22:25:57

158

Views

Examples of problems easy in synthetic but hard in analytic geometry, and vice versa

Published on 25 Mar 2026 - 22:25

score 728 · Answer 8 · 2026-03-21 14:49:33

728

Views

A geometry problem with the reflection of the incenter

Published on 21 Mar 2026 - 14:49

score 392 · Answer 9 · 2026-03-25 22:23:53

392

Views

Small oscillation of spherical pendulum

Published on 25 Mar 2026 - 22:23

score 46 · Answer 10 · 2026-03-28 07:35:03

46

Views

Problem with subspace projections

Published on 28 Mar 2026 - 7:35

score 69 · Answer 11 · 2026-03-25 03:02:41

69

Views

Complex $n \times n$ matricial representation of $SO(2n,\mathbb R)$

Published on 25 Mar 2026 - 3:02

score 853 · Answer 12 · 2026-03-26 08:14:28

853

Views

Determining future for "Bouncing DVD Logo" path from initial conditions.

Published on 26 Mar 2026 - 8:14

score 34 · Answer 13 · 2018-05-12 17:37:04

34

Views

The circumscribed centers are on a line

Published on 12 May 2018 - 17:37

score 201 · Answer 14 · 2026-03-26 08:23:08

201

Views

Similar quadrilateral to a given one with vertices of the same color

Published on 26 Mar 2026 - 8:23

score 38 · Answer 15 · 2026-03-25 17:39:43

38

Views

How can we justify that we can generate random point on a compact set with all point being equally likely ?

Published on 25 Mar 2026 - 17:39

List Question

$ABC$ and $XYZ$ have the same orthocenter.

Can anyone suggest a book on using complex numbers to solve geometry problems?

Determine the height of a triangle by given cathetus and hypotenuse for two similarity triangles

Angle of Intersection Between two Planes as Viewed from an Oblique Third Intersecting Plane

Find the altitude of a tetrahedron whose faces are congruent triangles

How/when do we use circle inversions to solve problems?

Examples of problems easy in synthetic but hard in analytic geometry, and vice versa

A geometry problem with the reflection of the incenter

Small oscillation of spherical pendulum

Problem with subspace projections

Complex $n \times n$ matricial representation of $SO(2n,\mathbb R)$

Determining future for "Bouncing DVD Logo" path from initial conditions.

The circumscribed centers are on a line

Similar quadrilateral to a given one with vertices of the same color

How can we justify that we can generate random point on a compact set with all point being equally likely ?

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