Question

Draw three congruent circles all touching one another, and a second set of three such circles, each touching also two of the first set.

score 1.8k · Answer 1 · 2014-06-14 14:01:55

Draw three congruent circles all touching one another, and a second set of three such circles, each touching also two of the first set.

score 401 · Answer 2 · 2014-07-17 15:03:47

401

Views

Given the circumcircle, the 9-point circle, and the angular measures for a triangle, construct the triangle?

Published on 17 Jul 2014 - 15:03

score 490 · Answer 3 · 2014-10-03 07:53:08

490

Views

Task "Inversion" (geometry with many circles)

Published on 03 Oct 2014 - 7:53

score 151 · Answer 4 · 2014-10-15 20:55:11

151

Views

Inverse with respect to a given circle

Published on 15 Oct 2014 - 20:55

score 168 · Answer 5 · 2014-10-17 05:28:16

168

Views

Finding the polar line of the intersection of a polar line and a tangent

Published on 17 Oct 2014 - 5:28

score 187 · Answer 6 · 2014-10-31 10:41:38

187

Views

Image of a locus via stereographic projections

Published on 31 Oct 2014 - 10:41

score 1.5k · Answer 7 · 2014-11-16 22:54:30

1.5k

Views

The radius of image of a circle under mobius transformation

Published on 16 Nov 2014 - 22:54

score 182 · Answer 8 · 2014-11-20 09:45:03

182

Views

On inversive geometry

Published on 20 Nov 2014 - 9:45

score 206 · Answer 9 · 2014-12-09 03:06:49

206

Views

inversion of the circle $t \mapsto (3 + is) + e^{it} $ around the unit circle.

Published on 09 Dec 2014 - 3:06

score 1.2k · Answer 10 · 2019-11-22 20:52:08

1.2k

Views

Find a circle perpendicular to two other circles.

Published on 22 Nov 2019 - 20:52

score 267 · Answer 11 · 2020-05-05 14:05:21

267

Views

A question involving Self Polar Orthogonality

Published on 05 May 2020 - 14:05

score 484 · Answer 12 · 2016-07-10 16:09:33

484

Views

Interesting circles hidden in Poncelet's porism configuration

Published on 10 Jul 2016 - 16:09

score 103 · Answer 13 · 2016-09-01 17:14:10

103

Views

When does inversion respect vector addition?

Published on 01 Sep 2016 - 17:14

score 608 · Answer 14 · 2016-10-13 22:04:27

608

Views

Is "square inversion" possible?

Published on 13 Oct 2016 - 22:04

score 1k · Answer 15 · 2016-12-16 13:52:50

1k

Views

Finding the images under a Mobius transformation

Published on 16 Dec 2016 - 13:52

List Question

Draw three congruent circles all touching one another, and a second set of three such circles, each touching also two of the first set.

Given the circumcircle, the 9-point circle, and the angular measures for a triangle, construct the triangle?

Task "Inversion" (geometry with many circles)

Inverse with respect to a given circle

Finding the polar line of the intersection of a polar line and a tangent

Image of a locus via stereographic projections

The radius of image of a circle under mobius transformation

On inversive geometry

inversion of the circle $t \mapsto (3 + is) + e^{it} $ around the unit circle.

Find a circle perpendicular to two other circles.

A question involving Self Polar Orthogonality

Interesting circles hidden in Poncelet's porism configuration

When does inversion respect vector addition?

Is "square inversion" possible?

Finding the images under a Mobius transformation

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