Question

Trisecting a Triangle

score 79 · Answer 1 · 2014-09-07 09:13:55

79

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Trisecting a Triangle

Published on 07 Sep 2014 - 9:13

score 411 · Answer 2 · 2014-09-08 02:58:22

411

Views

Prove Proposition I.7 of Euclids for the case where D lies in the interior of triangle ABC

Published on 08 Sep 2014 - 2:58

score 2.6k · Answer 3 · 2026-03-30 13:36:05

2.6k

Views

Test if a point is inside a 3D cuboid

Published on 30 Mar 2026 - 13:36

score 309 · Answer 4 · 2026-03-31 19:12:47

309

Views

Determine all the integer solutions to $23x + 39y = 2$

Published on 31 Mar 2026 - 19:12

score 423 · Answer 5 · 2026-03-25 22:25:00

423

Views

Interesting locus

Published on 25 Mar 2026 - 22:25

score 244 · Answer 6 · 2014-09-12 01:06:55

244

Views

prove that all line can be intersected with a unit circle

Published on 12 Sep 2014 - 1:06

score 77 · Answer 7 · 2014-09-12 01:59:05

77

Views

Prove that there exist 4 such planes which form a tetrahedron containing P.

Published on 12 Sep 2014 - 1:59

score 2.6k · Answer 8 · 2014-09-12 20:10:19

2.6k

Views

Prove that the vector sum of the vertices of an n-sided regular polytope whose center is at the orgin is zero

Published on 12 Sep 2014 - 20:10

score 58 · Answer 9 · 2014-09-12 22:06:21

58

Views

On inscribed quadrilateral

Published on 12 Sep 2014 - 22:06

score 76 · Answer 10 · 2014-09-14 01:48:50

76

Views

Prove that $\max\{|x_i|: 1 \leq i \leq n\} \leq \|\vec{x}\| \leq \sum_{i=1}^{n} |x_i|$

Published on 14 Sep 2014 - 1:48

score 415 · Answer 11 · 2014-09-14 17:50:12

415

Views

Rational distance implies countable set

Published on 14 Sep 2014 - 17:50

score 7.8k · Answer 12 · 2026-04-03 15:17:13

7.8k

Views

Why the surface of the sphere is not a Euclidean space?

Published on 03 Apr 2026 - 15:17

score 74 · Answer 13 · 2014-09-17 10:03:08

74

Views

Name of the set of points equidistant from a line

Published on 17 Sep 2014 - 10:03

score 894 · Answer 14 · 2026-04-01 18:30:32

894

Views

Relationship between the altitude of an isosceles triangle and segments drawn to the lateral side from a point on the base.

Published on 01 Apr 2026 - 18:30

score 47 · Answer 15 · 2014-09-18 16:16:20

47

Views

Find the equation of line and finding a point in given example

Published on 18 Sep 2014 - 16:16

List Question

Trisecting a Triangle

Prove Proposition I.7 of Euclids for the case where D lies in the interior of triangle ABC

Test if a point is inside a 3D cuboid

Determine all the integer solutions to $23x + 39y = 2$

Interesting locus

prove that all line can be intersected with a unit circle

Prove that there exist 4 such planes which form a tetrahedron containing P.

Prove that the vector sum of the vertices of an n-sided regular polytope whose center is at the orgin is zero

On inscribed quadrilateral

Prove that $\max\{|x_i|: 1 \leq i \leq n\} \leq \|\vec{x}\| \leq \sum_{i=1}^{n} |x_i|$

Rational distance implies countable set

Why the surface of the sphere is not a Euclidean space?

Name of the set of points equidistant from a line

Relationship between the altitude of an isosceles triangle and segments drawn to the lateral side from a point on the base.

Find the equation of line and finding a point in given example

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