Question

Constructing n tangential arcs given a start point, end point and n radii

score 74 · Answer 1 · 2026-04-14 16:19:22

Constructing n tangential arcs given a start point, end point and n radii

Published on 14 Apr 2026 - 16:19

score 108 · Answer 2 · 2026-04-16 01:37:11

Let $C_1(O_1, r)$ and $C_2(O_2, r)$ be two congruent secant circles. Calculate in function of the $r$, the area of the quadrilateral $AO_1BO_2$.

score 39 · Answer 3 · 2026-04-15 17:27:51

39

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Radius of a circle insribed in a triangle

Published on 15 Apr 2026 - 17:27

score 71 · Answer 4 · 2026-04-16 10:57:50

71

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Finding the radius of the circle confusion

Published on 16 Apr 2026 - 10:57

score 189 · Answer 5 · 2026-04-16 20:49:38

189

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Distance of centre of circle passing through points of contact of direct common tangents of two circles from the tangents.

Published on 16 Apr 2026 - 20:49

score 77 · Answer 6 · 2026-04-15 10:04:00

77

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Arithmetic mean of the length of tangents to a circle

Published on 15 Apr 2026 - 10:04

score 255 · Answer 7 · 2026-04-29 11:28:20

255

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Prove that $\angle AIO = 90^{\circ}$ with $I$ being the incenter and $O$ circumcenter of $\triangle ABC$

Published on 29 Apr 2026 - 11:28

score 135 · Answer 8 · 2026-04-30 06:33:01

135

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Solving a coupled system of first order homogeneous differential equations with variable coefficients

Published on 30 Apr 2026 - 6:33

score 97 · Answer 9 · 2026-04-14 07:00:37

97

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Max/min value in circle

Published on 14 Apr 2026 - 7:00

score 239 · Answer 10 · 2026-04-14 08:07:39

239

Views

Circumference of a ring

Published on 14 Apr 2026 - 8:07

score 120 · Answer 11 · 2026-04-14 15:24:43

120

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Calculate length between intersection of circle and 2 tangent lines; relative to circular arc length

Published on 14 Apr 2026 - 15:24

score 93 · Answer 12 · 2026-04-11 02:27:57

93

Views

How to Prove the Apollonius Circle?

Published on 11 Apr 2026 - 2:27

score 23 · Answer 13 · 2026-04-29 12:26:37

23

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Is a point that is closer to one of two vectors of the same length also always closer to the corresponding ray?

Published on 29 Apr 2026 - 12:26

score 31 · Answer 14 · 2026-04-16 20:47:25

31

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Prove distance between a point and an arc is less than the radius

Published on 16 Apr 2026 - 20:47

score 80 · Answer 15 · 2026-04-16 02:55:07

80

Views

Geometry: proving $B$, $K$, $D$, $A$ concyclic

Published on 16 Apr 2026 - 2:55

List Question

Constructing n tangential arcs given a start point, end point and n radii

Let $C_1(O_1, r)$ and $C_2(O_2, r)$ be two congruent secant circles. Calculate in function of the $r$, the area of the quadrilateral $AO_1BO_2$.

Radius of a circle insribed in a triangle

Finding the radius of the circle confusion

Distance of centre of circle passing through points of contact of direct common tangents of two circles from the tangents.

Arithmetic mean of the length of tangents to a circle

Prove that $\angle AIO = 90^{\circ}$ with $I$ being the incenter and $O$ circumcenter of $\triangle ABC$

Solving a coupled system of first order homogeneous differential equations with variable coefficients

Max/min value in circle

Circumference of a ring

Calculate length between intersection of circle and 2 tangent lines; relative to circular arc length

How to Prove the Apollonius Circle?

Is a point that is closer to one of two vectors of the same length also always closer to the corresponding ray?

Prove distance between a point and an arc is less than the radius

Geometry: proving $B$, $K$, $D$, $A$ concyclic

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