Question

A simple conjecture (and a question) about three parabolas related to any triangle

score 154 · Answer 1 · 2026-04-15 00:19:47

154

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A simple conjecture (and a question) about three parabolas related to any triangle

Published on 15 Apr 2026 - 0:19

score 1.5k · Answer 2 · 2026-04-11 00:12:05

1.5k

Views

A conjecture about the sum of the areas of three triangles built on the sides of any given triangle

Published on 11 Apr 2026 - 0:12

score 1k · Answer 3 · 2026-04-11 10:33:22

1k

Views

Proof without words of a simple conjecture about any triangle

Published on 11 Apr 2026 - 10:33

score 317 · Answer 4 · 2026-04-13 14:36:25

317

Views

Approximation of the quadratic formula with straightedge and compass

Published on 13 Apr 2026 - 14:36

score 162 · Answer 5 · 2026-04-09 19:22:08

162

Views

A conjecture about the sum of the areas of $3$ triangles built on the sides of any triangle (by means of centroid/orthocenter)

Published on 09 Apr 2026 - 19:22

score 1.8k · Answer 6 · 2026-04-12 14:13:01

1.8k

Views

Proof of Construction of regular pentagon by using compass and straightedge.

Published on 12 Apr 2026 - 14:13

score 202 · Answer 7 · 2026-04-14 10:00:31

202

Views

How to construct a triangle with $BC=7.5$ cm. $\angle ABC$=$60$° and $AC-AB=1.5$ cm.

Published on 14 Apr 2026 - 10:00

score 899 · Answer 8 · 2026-04-13 00:24:15

899

Views

Inscribe an equilateral triangle inside a triangle

Published on 13 Apr 2026 - 0:24

score 284 · Answer 9 · 2026-04-11 21:00:17

284

Views

How does one verify a ruler-compass construction is valid?

Published on 11 Apr 2026 - 21:00

score 439 · Answer 10 · 2026-04-09 23:24:47

439

Views

Galois theory: Gauss-Wantzel theorem, proof explanation

Published on 09 Apr 2026 - 23:24

score 379 · Answer 11 · 2026-04-13 05:12:36

379

Views

Prove that the following equation has no constructible solutions.

Published on 13 Apr 2026 - 5:12

score 107 · Answer 12 · 2026-04-14 04:42:00

107

Views

Find the line that is closest to 4 skew lines

Published on 14 Apr 2026 - 4:42

score 119 · Answer 13 · 2026-04-13 15:10:21

119

Views

what geomatric series formula is used?

Published on 13 Apr 2026 - 15:10

score 121 · Answer 14 · 2026-04-14 11:14:16

121

Views

Question on given compass and ruler construction definition wrt. angle bisection

Published on 14 Apr 2026 - 11:14

score 71 · Answer 15 · 2026-04-14 11:28:42

Show that every point in the interior of one circle is the orthocentre of another triangle inscribed in another circle

List Question

A simple conjecture (and a question) about three parabolas related to any triangle

A conjecture about the sum of the areas of three triangles built on the sides of any given triangle

Proof without words of a simple conjecture about any triangle

Approximation of the quadratic formula with straightedge and compass

A conjecture about the sum of the areas of $3$ triangles built on the sides of any triangle (by means of centroid/orthocenter)

Proof of Construction of regular pentagon by using compass and straightedge.

How to construct a triangle with $BC=7.5$ cm. $\angle ABC$=$60$° and $AC-AB=1.5$ cm.

Inscribe an equilateral triangle inside a triangle

How does one verify a ruler-compass construction is valid?

Galois theory: Gauss-Wantzel theorem, proof explanation

Prove that the following equation has no constructible solutions.

Find the line that is closest to 4 skew lines

what geomatric series formula is used?

Question on given compass and ruler construction definition wrt. angle bisection

Show that every point in the interior of one circle is the orthocentre of another triangle inscribed in another circle

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