Question

Can platonic solids be constructed using compass and straightedge?

score 849 · Answer 1 · 2026-03-25 10:52:08

849

Views

Can platonic solids be constructed using compass and straightedge?

Published on 25 Mar 2026 - 10:52

score 896 · Answer 2 · 2017-05-31 19:00:31

896

Views

Construct a triangle, given its angle at the vertex, and the altitude and the median drawn to the base.

Published on 31 May 2017 - 19:00

score 143 · Answer 3 · 2017-06-02 06:46:57

143

Views

Geometric locus involving tangents of lines and circles that results in an ellipse.

Published on 02 Jun 2017 - 6:46

score 59 · Answer 4 · 2017-06-04 07:57:52

59

Views

Into a given circle, inscribe a triangle, given the sum of two of its sides and the angle opposite to one of them.

Published on 04 Jun 2017 - 7:57

score 19 · Answer 5 · 2026-03-26 12:58:21

19

Views

Reference for principles regarding construction of geometric figures with fewest steps as possible.

Published on 26 Mar 2026 - 12:58

score 210 · Answer 6 · 2017-06-06 19:56:22

210

Views

Construct a triangle given its circumscribed circle and the three points on it...

Published on 06 Jun 2017 - 19:56

score 111 · Answer 7 · 2026-03-25 23:50:52

111

Views

Counting compass and straightedge constructions

Published on 25 Mar 2026 - 23:50

score 53 · Answer 8 · 2017-06-11 09:10:20

53

Views

Constructibility of the $\sqrt[n+1]{2} + \sqrt[n+3]{2}$ where $n$ is even

Published on 11 Jun 2017 - 9:10

score 3.9k · Answer 9 · 2017-06-12 21:07:09

3.9k

Views

Why should kids learn how to use a compass and straightedge, and not rely on a drawing program?

Published on 12 Jun 2017 - 21:07

score 183 · Answer 10 · 2017-06-14 10:02:54

183

Views

Galois Theory: Are separable and normal equivalent?

Published on 14 Jun 2017 - 10:02

score 591 · Answer 11 · 2017-06-17 23:31:36

591

Views

Construction of spherical regular polygons

Published on 17 Jun 2017 - 23:31

score 1.4k · Answer 12 · 2017-06-26 04:43:22

1.4k

Views

Why is adding the same as extending a length?

Published on 26 Jun 2017 - 4:43

score 451 · Answer 13 · 2017-06-30 13:49:00

451

Views

How to construct a tangent to a circle between two lines?

Published on 30 Jun 2017 - 13:49

score 261 · Answer 14 · 2017-07-05 18:31:44

261

Views

Why is it that if $\alpha$ is a root with minimal polynomial of degree $2^k$ (for some integer $k$), then $\alpha$ is constructible?

Published on 05 Jul 2017 - 18:31

score 5.8k · Answer 15 · 2017-07-14 18:42:09

5.8k

Views

Construct parallel line equidistant from two other parallel lines - Euclidea on iOS challenge 2.8

Published on 14 Jul 2017 - 18:42

List Question

Can platonic solids be constructed using compass and straightedge?

Construct a triangle, given its angle at the vertex, and the altitude and the median drawn to the base.

Geometric locus involving tangents of lines and circles that results in an ellipse.

Into a given circle, inscribe a triangle, given the sum of two of its sides and the angle opposite to one of them.

Reference for principles regarding construction of geometric figures with fewest steps as possible.

Construct a triangle given its circumscribed circle and the three points on it...

Counting compass and straightedge constructions

Constructibility of the $\sqrt[n+1]{2} + \sqrt[n+3]{2}$ where $n$ is even

Why should kids learn how to use a compass and straightedge, and not rely on a drawing program?

Galois Theory: Are separable and normal equivalent?

Construction of spherical regular polygons

Why is adding the same as extending a length?

How to construct a tangent to a circle between two lines?

Why is it that if $\alpha$ is a root with minimal polynomial of degree $2^k$ (for some integer $k$), then $\alpha$ is constructible?

Construct parallel line equidistant from two other parallel lines - Euclidea on iOS challenge 2.8

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