Question

Inscribed Quadrilateral: Collinear Points

score 128 · Answer 1 · 2026-04-11 00:16:10

128

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Inscribed Quadrilateral: Collinear Points

Published on 11 Apr 2026 - 0:16

score 700 · Answer 2 · 2026-04-11 18:27:10

700

Views

Speed in mph of vehicle spun in crash

Published on 11 Apr 2026 - 18:27

score 504 · Answer 3 · 2026-04-15 23:45:10

504

Views

Construct triangle ABC, denote I as the incenter, A' as the mid point of the arc BC of the circumcircle. Show that A'B = A'C = A'I

Published on 15 Apr 2026 - 23:45

score 163 · Answer 4 · 2026-04-16 14:26:11

163

Views

Tangent (kissing) circles on boundary of a larger circle

Published on 16 Apr 2026 - 14:26

score 6.6k · Answer 5 · 2026-04-13 20:49:25

6.6k

Views

Easier way of finding radius of circle inscribed in a scalene triangle given 2 sides and the included angle

Published on 13 Apr 2026 - 20:49

score 1.4k · Answer 6 · 2026-04-10 13:29:10

1.4k

Views

How do I find the equation of the circumcircle?

Published on 10 Apr 2026 - 13:29

score 300 · Answer 7 · 2026-04-12 20:42:36

300

Views

Number of Solutions to Apollonius's LLC Problem

Published on 12 Apr 2026 - 20:42

score 83 · Answer 8 · 2026-04-15 07:43:44

83

Views

Finding maximum value of an expression $3a+4b$ where $(a,b)$ lies on unit circle.

Published on 15 Apr 2026 - 7:43

score 378 · Answer 9 · 2026-04-12 14:30:13

378

Views

Finding the coordinates of a point on a circumference given the center and two vectors.

Published on 12 Apr 2026 - 14:30

score 239 · Answer 10 · 2026-04-14 11:17:49

239

Views

Let H be the orthocenter of the acute triangle ABC. Extend the altitude AD until it intersects the circumcircle of triangle ABC at F. Show that BH=BF

Published on 14 Apr 2026 - 11:17

score 297 · Answer 11 · 2026-04-16 04:54:18

297

Views

Length of tangent circles - locus

Published on 16 Apr 2026 - 4:54

score 407 · Answer 12 · 2026-04-14 22:29:31

407

Views

Find a parameterisation for $(x-8)^2 + y^2 = 16$ starting at the point $(4,0)$ and moving clockwise once around the circle.

Published on 14 Apr 2026 - 22:29

score 81 · Answer 13 · 2026-04-15 06:47:12

81

Views

Proving that $AYTQ$ is inscriptible

Published on 15 Apr 2026 - 6:47

score 52 · Answer 14 · 2026-04-09 05:12:35

52

Views

Boundary length of two growing circles

Published on 09 Apr 2026 - 5:12

score 55 · Answer 15 · 2026-04-15 13:26:51

55

Views

Outer arc length of a circle intersecting a circle

Published on 15 Apr 2026 - 13:26

List Question

Inscribed Quadrilateral: Collinear Points

Speed in mph of vehicle spun in crash

Construct triangle ABC, denote I as the incenter, A' as the mid point of the arc BC of the circumcircle. Show that A'B = A'C = A'I

Tangent (kissing) circles on boundary of a larger circle

Easier way of finding radius of circle inscribed in a scalene triangle given 2 sides and the included angle

How do I find the equation of the circumcircle?

Number of Solutions to Apollonius's LLC Problem

Finding maximum value of an expression $3a+4b$ where $(a,b)$ lies on unit circle.

Finding the coordinates of a point on a circumference given the center and two vectors.

Let H be the orthocenter of the acute triangle ABC. Extend the altitude AD until it intersects the circumcircle of triangle ABC at F. Show that BH=BF

Length of tangent circles - locus

Find a parameterisation for $(x-8)^2 + y^2 = 16$ starting at the point $(4,0)$ and moving clockwise once around the circle.

Proving that $AYTQ$ is inscriptible

Boundary length of two growing circles

Outer arc length of a circle intersecting a circle

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