Try it on the Geometry BoardUses:Bisect an angle

Incentre

Marks the incentre: where the angle bisectors of a triangle meet. Ruler and compass only.

All parts

Part 1 of 3: Bisect the angle at AStep 1 of 12Compass

The centre is the same distance from all three sides, so it 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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