Question

Trisecting an angle with a compass and 2 marks on a ruler

score 81 · Answer 1 · 2026-03-26 22:58:38

81

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Trisecting an angle with a compass and 2 marks on a ruler

Published on 26 Mar 2026 - 22:58

score 46 · Answer 2 · 2026-02-24 16:04:50

46

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Geometric sequence not correct?

Published on 24 Feb 2026 - 16:04

score 32 · Answer 3 · 2020-05-20 08:52:03

32

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Find the minimum value of $k$ such that $\sum_{i=1}^5 (PP_i)^2 = k$, $P_i = (r,r^2)$

Published on 20 May 2020 - 8:52

score 303 · Answer 4 · 2026-03-26 04:53:45

303

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locus problem in analytical geometry asking about a constant sum of two tangents to two identical circles yielding an ellipse

Published on 26 Mar 2026 - 4:53

score 158 · Answer 5 · 2026-03-31 22:47:32

158

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Recommend book on elementary geometry

Published on 31 Mar 2026 - 22:47

score 57 · Answer 6 · 2020-05-21 00:04:23

57

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Find common points of $(x^2+y^2)^2=8xy $ and $(x-1)^2+(y-1)^2=1$

Published on 21 May 2020 - 0:04

score 49 · Answer 7 · 2020-05-21 11:30:33

49

Views

Conversion from one mathematical form to another.

Published on 21 May 2020 - 11:30

score 127 · Answer 8 · 2020-05-21 18:36:42

127

Views

The Number of Hyperplanes Intersecting a Unit Hypercube

Published on 21 May 2020 - 18:36

score 122 · Answer 9 · 2020-05-21 19:45:22

122

Views

What is the center most point of a set of points?

Published on 21 May 2020 - 19:45

score 380 · Answer 10 · 2020-05-21 22:06:52

380

Views

A mapping that converts a line segment to another one

Published on 21 May 2020 - 22:06

score 92 · Answer 11 · 2020-05-22 11:49:38

92

Views

Write the equation of a second-order line $2x^2-12xy-7y^2+8x+6y=0$ in canonical form

Published on 22 May 2020 - 11:49

score 659 · Answer 12 · 2020-05-22 12:41:14

659

Views

Prove that A',B',C' are in a straight line.

Published on 22 May 2020 - 12:41

score 163 · Answer 13 · 2020-05-22 13:07:40

Find the equation of the ellipse whose symmetry axes are given by $x+y-2=0$ and $y-x-1=0$. Also semi width $a=2$ and semi height $b=1$.

score 988 · Answer 14 · 2020-05-22 14:40:11

988

Views

Direction Cosines of three mutually perpendicular lines form an orthogonal matrix

Published on 22 May 2020 - 14:40

score 253 · Answer 15 · 2026-03-28 01:48:24

253

Views

How many parameters does the set of all spheres, which satisfy the given condition, depend on?

Published on 28 Mar 2026 - 1:48

List Question

Trisecting an angle with a compass and 2 marks on a ruler

Geometric sequence not correct?

Find the minimum value of $k$ such that $\sum_{i=1}^5 (PP_i)^2 = k$, $P_i = (r,r^2)$

locus problem in analytical geometry asking about a constant sum of two tangents to two identical circles yielding an ellipse

Recommend book on elementary geometry

Find common points of $(x^2+y^2)^2=8xy $ and $(x-1)^2+(y-1)^2=1$

Conversion from one mathematical form to another.

The Number of Hyperplanes Intersecting a Unit Hypercube

What is the center most point of a set of points?

A mapping that converts a line segment to another one

Write the equation of a second-order line $2x^2-12xy-7y^2+8x+6y=0$ in canonical form

Prove that A',B',C' are in a straight line.

Find the equation of the ellipse whose symmetry axes are given by $x+y-2=0$ and $y-x-1=0$. Also semi width $a=2$ and semi height $b=1$.

Direction Cosines of three mutually perpendicular lines form an orthogonal matrix

How many parameters does the set of all spheres, which satisfy the given condition, depend on?

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