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ABC
Try it on the Geometry BoardUses:Perpendicular at a pointBisect an angle

Mixtilinear incircle

Draws the circle that touches two sides at a corner and the circumcircle from inside. Ruler and compass only.

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Part 1 of 10: Bisect the angle at AStep 1 of 12Compass

The centre lies on the line that splits the angle at A in half. Put the point of your compass on the corner, A.

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