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Geometric Constructions - Lesson Summary

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Lesson Summary

Bisecting Angle PQR
Mark Points A and B from Q with an arbitrary radius
Use A and B as centres to mark point C with another arbitrary radius
Connect points C and Q
Construct a Circle passing through points A, B and C
Join points A and B to get line AB
Join points B and C to get line BC
Construct a perpendicular bisector to AB
Construct a perpendicular bisector to BC
Use the point of intersection of the two perpendicular bisectors as the centre of circle O
Draw a circle with a radius of OA passing through all three points using a compass