Question

Splitting a circle into 3 equal parts using 2 lines

score 3.9k · Answer 1 · 2021-03-18 20:40:52

3.9k

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Splitting a circle into 3 equal parts using 2 lines

Published on 18 Mar 2021 - 20:40

score 136 · Answer 2 · 2021-03-21 04:19:27

136

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Find the angle in the triangle

Published on 21 Mar 2021 - 4:19

score 201 · Answer 3 · 2021-03-25 02:11:05

Given $\triangle ABC$ with $AB=BC$ and $\angle ABC=80^\circ$, and $O$ such that $\angle OAC=30^\circ$ and $\angle OCA=10^\circ$, find $\angle BOC$.

score 73 · Answer 4 · 2021-03-25 17:27:26

73

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Two diagonals - right angle

Published on 25 Mar 2021 - 17:27

score 154 · Answer 5 · 2026-03-30 14:42:07

154

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Proving that in a quadrilateral $ABCD$, where $P$ is the intersection of angle bisectors of $BAD$ and $ADC$, $|BP|=|CP|$

Published on 30 Mar 2026 - 14:42

score 230 · Answer 6 · 2021-03-31 07:36:13

230

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Finding the area of a sector within a triangle.

Published on 31 Mar 2021 - 7:36

score 108 · Answer 7 · 2021-04-01 05:38:22

108

Views

Finding the angle between two lines meeting at one point.

Published on 01 Apr 2021 - 5:38

score 1.8k · Answer 8 · 2021-04-02 08:42:07

1.8k

Views

Finding the angle a vector makes with the 'horizontal'

Published on 02 Apr 2021 - 8:42

score 40 · Answer 9 · 2021-04-04 02:54:17

40

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Find point B on line L given points AC where angle ABC equals angle X

Published on 04 Apr 2021 - 2:54

score 239 · Answer 10 · 2021-04-05 18:15:11

239

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$\angle DAB = 10^\circ$, $\angle CAD = 20^\circ$, $\angle CDB = 140^\circ$, $CD = BD$. Find $\angle ABD$

Published on 05 Apr 2021 - 18:15

score 144 · Answer 11 · 2021-04-06 00:49:03

144

Views

The angle of the tangent on the surface of an ellipse

Published on 06 Apr 2021 - 0:49

score 57 · Answer 12 · 2026-03-30 14:42:06

57

Views

What is the quadrilateral satisfying the constraint in terms of opposite sides and diagonals looks like?

Published on 30 Mar 2026 - 14:42

score 158 · Answer 13 · 2026-03-26 09:41:03

158

Views

Is it possible to construct the angle bisector of two lines with only a right-angled ruler?

Published on 26 Mar 2026 - 9:41

score 319 · Answer 14 · 2021-04-09 10:14:31

319

Views

how to solve this problem? ( Euclid Geometric )

Published on 09 Apr 2021 - 10:14

score 58 · Answer 15 · 2026-03-31 13:14:46

58

Views

How do I calculate the angle between the tangent to an outer circumference and a line passing through a specific point on the inner circumference?

Published on 31 Mar 2026 - 13:14

List Question

Splitting a circle into 3 equal parts using 2 lines

Find the angle in the triangle

Given $\triangle ABC$ with $AB=BC$ and $\angle ABC=80^\circ$, and $O$ such that $\angle OAC=30^\circ$ and $\angle OCA=10^\circ$, find $\angle BOC$.

Two diagonals - right angle

Proving that in a quadrilateral $ABCD$, where $P$ is the intersection of angle bisectors of $BAD$ and $ADC$, $|BP|=|CP|$

Finding the area of a sector within a triangle.

Finding the angle between two lines meeting at one point.

Finding the angle a vector makes with the 'horizontal'

Find point B on line L given points AC where angle ABC equals angle X

$\angle DAB = 10^\circ$, $\angle CAD = 20^\circ$, $\angle CDB = 140^\circ$, $CD = BD$. Find $\angle ABD$

The angle of the tangent on the surface of an ellipse

What is the quadrilateral satisfying the constraint in terms of opposite sides and diagonals looks like?

Is it possible to construct the angle bisector of two lines with only a right-angled ruler?

how to solve this problem? ( Euclid Geometric )

How do I calculate the angle between the tangent to an outer circumference and a line passing through a specific point on the inner circumference?

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