User زكريا حسناوي - Mathematics Stack Exchange

17 votes

List of geometric theorems linked by two squares

answered Mar 23 at 14:02

7 votes

If all of the angles of a polygon are equal, and half of its sides are equal, then must the polygon be regular?

answered Jan 31 at 8:22

3 votes

The golden ratio in a parabola

answered Jun 19, 2023 at 18:26

2 votes

A Collection of Bogus Proofs

answered Apr 30, 2023 at 3:54

2 votes

A Collection of Bogus Proofs

answered Apr 30, 2023 at 4:20

2 votes

A Collection of Bogus Proofs

answered Apr 30, 2023 at 4:30

2 votes

Accepted

Ambiguity about principle of excluded middle

answered Jul 3, 2023 at 14:32

2 votes

Harmonic ratio in a parabola and a peaked kissing circle

answered Jun 25, 2023 at 7:48

2 votes

Construction of two Focus for conic section with five points

answered Jun 20, 2023 at 13:49

2 votes

A problem about perpendicular lines and areas bounded by coordinate axes

answered Sep 22, 2023 at 18:00

1 vote

Are the angles from the diagonal of a square to each side always equal? Even after rotation? And perspective?

answered Jan 8 at 10:16

1 vote

List of Cartesian coordinates laws

answered Jul 16, 2023 at 10:26

1 vote

book recommendation for Euclidean geometry without coordinates or any modern math (math that has been discovered after the 16th century.)

answered Jul 3, 2023 at 17:23

1 vote

A Collection of Bogus Proofs

answered Apr 30, 2023 at 11:38

1 vote

Trace the intersection of the perpendicular tangents for a convex curve

answered Jun 19, 2023 at 4:28

1 vote

Proving the concurrence of the three lines formed by connecting midpoints of opposite sides of a hexagon

answered Nov 7, 2023 at 6:05

1 vote

A nice property of a triangle With side 1,2,2

answered Feb 12 at 4:32

1 vote

Organizing the content of Euclidean geometry with pictorial mind maps

answered Mar 18 at 2:48

1 vote

Do the tangent points of the circles that are tangent to the sides of a triangle lie on a conic section?

answered Mar 20 at 18:26

1 vote

Hunch on a parabola and a straight line passing through its vertex

answered Sep 4, 2023 at 19:38

1 vote

Generalizing the property of two parabolas tangent to a circle, each of which touches it at two points

answered Mar 23 at 1:03

1 vote

Given a parabola, does the orthocenter of a triangle of tangents lie on the directrix?

answered Apr 26 at 14:49

0 votes

Find the Harmonic Mean Using Parabola

answered May 12 at 7:35

0 votes

Find the Harmonic Mean Using Parabola

answered May 12 at 17:09

0 votes

Properties that relate to the chord of a parabola passing from the perpendicular projection of the focus point on the parabola guide

answered Jul 7 at 5:33

0 votes

Properties that relate to the chord of a parabola passing from the perpendicular projection of the focus point on the parabola guide

answered Jul 7 at 5:48

0 votes

Properties that relate to the chord of a parabola passing from the perpendicular projection of the focus point on the parabola guide

answered Jul 7 at 6:00

0 votes

List of geometric theorems linked by two squares

answered Apr 23 at 8:38

0 votes

find the radius of a circle passing through the vertices of a noncircular quadrilateral,

answered May 8 at 3:30

0 votes

find the radius of a circle passing through the vertices of a noncircular quadrilateral,

answered Mar 30 at 12:30

Stack Exchange Network

38 Answers

List of geometric theorems linked by two squares

If all of the angles of a polygon are equal, and half of its sides are equal, then must the polygon be regular?

The golden ratio in a parabola

A Collection of Bogus Proofs

A Collection of Bogus Proofs

A Collection of Bogus Proofs

Ambiguity about principle of excluded middle

Harmonic ratio in a parabola and a peaked kissing circle

Construction of two Focus for conic section with five points

A problem about perpendicular lines and areas bounded by coordinate axes

Are the angles from the diagonal of a square to each side always equal? Even after rotation? And perspective?

List of Cartesian coordinates laws

book recommendation for Euclidean geometry without coordinates or any modern math (math that has been discovered after the 16th century.)

A Collection of Bogus Proofs

Trace the intersection of the perpendicular tangents for a convex curve

Proving the concurrence of the three lines formed by connecting midpoints of opposite sides of a hexagon

A nice property of a triangle With side 1,2,2

Organizing the content of Euclidean geometry with pictorial mind maps

Do the tangent points of the circles that are tangent to the sides of a triangle lie on a conic section?

Hunch on a parabola and a straight line passing through its vertex

Generalizing the property of two parabolas tangent to a circle, each of which touches it at two points

Given a parabola, does the orthocenter of a triangle of tangents lie on the directrix?

Find the Harmonic Mean Using Parabola

Find the Harmonic Mean Using Parabola

Properties that relate to the chord of a parabola passing from the perpendicular projection of the focus point on the parabola guide

Properties that relate to the chord of a parabola passing from the perpendicular projection of the focus point on the parabola guide

Properties that relate to the chord of a parabola passing from the perpendicular projection of the focus point on the parabola guide

List of geometric theorems linked by two squares

find the radius of a circle passing through the vertices of a noncircular quadrilateral,

find the radius of a circle passing through the vertices of a noncircular quadrilateral,