Question

Calculating a circle area by rotating its diameter

score 359 · Answer 1 · 2026-04-10 11:11:29

359

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Calculating a circle area by rotating its diameter

Published on 10 Apr 2026 - 11:11

score 93 · Answer 2 · 2026-04-10 08:40:40

93

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Problem about incentre of a triangle.

Published on 10 Apr 2026 - 8:40

score 110 · Answer 3 · 2026-04-13 16:57:14

110

Views

Prove that $\frac{1}{AA'}+\frac{1}{BB'}+\frac{1}{CC'}<\frac{2}{R'-OO'}$

Published on 13 Apr 2026 - 16:57

score 268 · Answer 4 · 2026-04-12 01:51:06

268

Views

Approximation for the equation of an imperfect circle

Published on 12 Apr 2026 - 1:51

score 2.8k · Answer 5 · 2019-04-12 10:46:36

2.8k

Views

Calculating point on circle given angle and distance traveled without calculating radius

Published on 12 Apr 2019 - 10:46

score 285 · Answer 6 · 2026-04-09 10:13:45

285

Views

How to check if a line is a tangent to a circle?

Published on 09 Apr 2026 - 10:13

score 45 · Answer 7 · 2019-04-15 17:13:50

45

Views

Circumscribed circle

Published on 15 Apr 2019 - 17:13

score 59 · Answer 8 · 2026-04-11 22:01:43

59

Views

Square with circle

Published on 11 Apr 2026 - 22:01

score 55 · Answer 9 · 2026-03-29 08:44:29

55

Views

Why is the centre of a circle: $(x + a)^2 + (y + b)^2 = c^2$?

Published on 29 Mar 2026 - 8:44

score 29 · Answer 10 · 2026-03-27 04:17:42

29

Views

What is the coordinate value after moving counterclockwise by distance $d$ from a coordinate on the ellipse?

Published on 27 Mar 2026 - 4:17

score 394 · Answer 11 · 2026-03-24 22:07:35

394

Views

How to find $k$ such that the line $y=x-2-k$ is tangent to the circle given by $x^2+(y+2)^2=4$?

Published on 24 Mar 2026 - 22:07

score 1.4k · Answer 12 · 2026-04-14 03:15:07

1.4k

Views

Where does the square intersect with the circle?

Published on 14 Apr 2026 - 3:15

score 190 · Answer 13 · 2026-03-29 17:55:03

190

Views

Probability of obtuse triangles formed on a circle

Published on 29 Mar 2026 - 17:55

score 99 · Answer 14 · 2026-04-13 21:02:22

99

Views

Find a point on a circle which contains a rectangle using another point, the angle between the two and the rectangle's dimensions

Published on 13 Apr 2026 - 21:02

score 63 · Answer 15 · 2026-04-11 22:27:33

63

Views

Angle bisectors and circumscribed circle

Published on 11 Apr 2026 - 22:27

List Question

Calculating a circle area by rotating its diameter

Problem about incentre of a triangle.

Prove that $\frac{1}{AA'}+\frac{1}{BB'}+\frac{1}{CC'}<\frac{2}{R'-OO'}$

Approximation for the equation of an imperfect circle

Calculating point on circle given angle and distance traveled without calculating radius

How to check if a line is a tangent to a circle?

Circumscribed circle

Square with circle

Why is the centre of a circle: $(x + a)^2 + (y + b)^2 = c^2$?

What is the coordinate value after moving counterclockwise by distance $d$ from a coordinate on the ellipse?

How to find $k$ such that the line $y=x-2-k$ is tangent to the circle given by $x^2+(y+2)^2=4$?

Where does the square intersect with the circle?

Probability of obtuse triangles formed on a circle

Find a point on a circle which contains a rectangle using another point, the angle between the two and the rectangle's dimensions

Angle bisectors and circumscribed circle

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