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

External angle bisector

Draws the line that splits the outside angle at a vertex into two equal angles. Ruler and compass only.

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Part 1 of 3: Bisect the angleStep 1 of 12Compass

First split angle BAC in half. Put the point of your compass on the corner, A.

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