Question

Reference for notions of angular mean

score 33 · Answer 1 · 2026-04-13 10:49:39

33

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Reference for notions of angular mean

Published on 13 Apr 2026 - 10:49

score 79 · Answer 2 · 2026-04-12 23:41:37

79

Views

Does there exist a coordinate transformation between different metrics?

Published on 12 Apr 2026 - 23:41

score 139 · Answer 3 · 2026-04-13 19:58:31

139

Views

Error propagation in compass and straightedge constructions

Published on 13 Apr 2026 - 19:58

score 25 · Answer 4 · 2026-04-16 11:02:04

25

Views

$\frac{d\theta}{dt} = \frac{W(x_{1},x_{2})}{|r|^2}$, where $r:= x_{1} i + x_{2} j$ and $\theta$ is the angle between $r$ and $i$,

Published on 16 Apr 2026 - 11:02

score 166 · Answer 5 · 2026-04-14 05:05:02

166

Views

Does there exist a scalene triangle with integer side-lengths and an integer height.

Published on 14 Apr 2026 - 5:05

score 34 · Answer 6 · 2026-04-12 14:22:22

34

Views

What is the terminology for the center of a symmetric object?

Published on 12 Apr 2026 - 14:22

score 47 · Answer 7 · 2026-04-16 11:41:00

Since the director circle of a parabola is the directrix itself, does it mean that it has a set of infinite director circles (point circles )?

score 328 · Answer 8 · 2026-05-06 06:39:47

328

Views

When does the general equation of a conic represent an ellipse or an empty set?

Published on 06 May 2026 - 6:39

score 79 · Answer 9 · 2026-04-13 07:13:56

79

Views

Is the contour of a figure A inside another figure B, smaller than the contour of B?

Published on 13 Apr 2026 - 7:13

score 152 · Answer 10 · 2026-04-09 08:08:14

152

Views

How to find the $2d$ cross-sections of the $n$-hypercube that are regular $2n$-gons?

Published on 09 Apr 2026 - 8:08

score 95 · Answer 11 · 2026-04-14 21:53:34

95

Views

The line through a point P perpendicular to polar of P with respect to given parabola passes through fixed point. Find the polar of P.

Published on 14 Apr 2026 - 21:53

score 167 · Answer 12 · 2026-04-17 08:30:49

167

Views

Height of an irregular tetrahedron with an equilateral base and lateral faces making angles $60^\circ$, $60^\circ$, $80^\circ$ with that base

Published on 17 Apr 2026 - 8:30

score 53 · Answer 13 · 2026-05-06 07:43:32

53

Views

Ellipse generated by a vertex of a sliding square on the $x$ and $y$ axes

Published on 06 May 2026 - 7:43

score 138 · Answer 14 · 2026-04-23 21:20:22

138

Views

Minimize total area bounded by $N$ lines in general position

Published on 23 Apr 2026 - 21:20

score 60 · Answer 15 · 2026-05-15 23:03:54

60

Views

corners of a rectangular bended sheet in 3d

Published on 15 May 2026 - 23:03

List Question

Reference for notions of angular mean

Does there exist a coordinate transformation between different metrics?

Error propagation in compass and straightedge constructions

$\frac{d\theta}{dt} = \frac{W(x_{1},x_{2})}{|r|^2}$, where $r:= x_{1} i + x_{2} j$ and $\theta$ is the angle between $r$ and $i$,

Does there exist a scalene triangle with integer side-lengths and an integer height.

What is the terminology for the center of a symmetric object?

Since the director circle of a parabola is the directrix itself, does it mean that it has a set of infinite director circles (point circles )?

When does the general equation of a conic represent an ellipse or an empty set?

Is the contour of a figure A inside another figure B, smaller than the contour of B?

How to find the $2d$ cross-sections of the $n$-hypercube that are regular $2n$-gons?

The line through a point P perpendicular to polar of P with respect to given parabola passes through fixed point. Find the polar of P.

Height of an irregular tetrahedron with an equilateral base and lateral faces making angles $60^\circ$, $60^\circ$, $80^\circ$ with that base

Ellipse generated by a vertex of a sliding square on the $x$ and $y$ axes

Minimize total area bounded by $N$ lines in general position

corners of a rectangular bended sheet in 3d

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