Question

Is is possible to double the cube using compass, straightedge, and angle trisector?

score 540 · Answer 1 · 2017-09-15 23:55:56

540

Views

Is is possible to double the cube using compass, straightedge, and angle trisector?

Published on 15 Sep 2017 - 23:55

score 311 · Answer 2 · 2017-09-18 18:13:27

311

Views

Relative difficulty of angle trisection and cube roots

Published on 18 Sep 2017 - 18:13

score 7.7k · Answer 3 · 2017-09-27 01:15:07

7.7k

Views

How do you know if a line is straight?

Published on 27 Sep 2017 - 1:15

score 157 · Answer 4 · 2017-10-01 06:54:33

157

Views

Geometric model of real numbers

Published on 01 Oct 2017 - 6:54

score 58 · Answer 5 · 2017-10-02 08:41:06

58

Views

Given sufficiently large sample of flight paths, is it possible to derive the map?

Published on 02 Oct 2017 - 8:41

score 72 · Answer 6 · 2026-03-26 07:32:22

72

Views

Constructing a line segment through a point so it has a ratio $1:2$

Published on 26 Mar 2026 - 7:32

score 62 · Answer 7 · 2017-10-11 19:50:47

62

Views

How to draw/construct the function $\frac{\sqrt{1-x^2}}{x}$

Published on 11 Oct 2017 - 19:50

score 1.4k · Answer 8 · 2017-11-01 10:30:11

1.4k

Views

Proof of construction of $30^{\circ}, 60^{\circ}, 120^{\circ}$ and $135^{\circ}$ angles

Published on 01 Nov 2017 - 10:30

score 115 · Answer 9 · 2017-11-06 16:47:05

115

Views

Given that x is a constructible number, how does one prove that 1/x is constructible?

Published on 06 Nov 2017 - 16:47

score 819 · Answer 10 · 2017-11-19 15:49:58

819

Views

How to construct an isosceles triangle given the base angle and height to one side?

Published on 19 Nov 2017 - 15:49

score 648 · Answer 11 · 2017-11-20 12:48:53

648

Views

If $3-$gon and $5-$gon are constructible, show that $15-$gon is too.

Published on 20 Nov 2017 - 12:48

score 1.4k · Answer 12 · 2017-11-28 18:02:25

1.4k

Views

How to intersect a line with a point off the page using a straight edge and compass (see description)

Published on 28 Nov 2017 - 18:02

score 78 · Answer 13 · 2017-12-07 19:59:25

78

Views

Construct quadrilateral $ABCD$: $AB=AD=4$, $CB=CD=5$ and $BD=6$. Construct incircle of quadrilateral $ABCD$.

Published on 07 Dec 2017 - 19:59

score 377 · Answer 14 · 2017-12-09 15:07:57

377

Views

Alternative compass and straightedge construction

Published on 09 Dec 2017 - 15:07

score 1.5k · Answer 15 · 2017-12-11 21:06:06

1.5k

Views

Evaluating $\sum_{k=0}^\infty \left(\frac{1}{5k+1} - \frac{1}{5k+2} - \frac{1}{5k+3} + \frac{1}{5k+4} \right)$

Published on 11 Dec 2017 - 21:06

List Question

Is is possible to double the cube using compass, straightedge, and angle trisector?

Relative difficulty of angle trisection and cube roots

How do you know if a line is straight?

Geometric model of real numbers

Given sufficiently large sample of flight paths, is it possible to derive the map?

Constructing a line segment through a point so it has a ratio $1:2$

How to draw/construct the function $\frac{\sqrt{1-x^2}}{x}$

Proof of construction of $30^{\circ}, 60^{\circ}, 120^{\circ}$ and $135^{\circ}$ angles

Given that x is a constructible number, how does one prove that 1/x is constructible?

How to construct an isosceles triangle given the base angle and height to one side?

If $3-$gon and $5-$gon are constructible, show that $15-$gon is too.

How to intersect a line with a point off the page using a straight edge and compass (see description)

Construct quadrilateral $ABCD$: $AB=AD=4$, $CB=CD=5$ and $BD=6$. Construct incircle of quadrilateral $ABCD$.

Alternative compass and straightedge construction

Evaluating $\sum_{k=0}^\infty \left(\frac{1}{5k+1} - \frac{1}{5k+2} - \frac{1}{5k+3} + \frac{1}{5k+4} \right)$

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