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G-CO.C.9 — Practice Problems

High School G-CO Covered
Prove geometric theorems.

Prove theorems about lines and angles, including that vertical angles are congruent, that when a transversal crosses parallel lines alternate interior angles are congruent and corresponding angles are congruent, and that points on a perpendicular bisector of a line segment are exactly those equidistant from the segment's endpoints.

Sample G-CO.C.9 problems

2 problem types align to this standard. Every worksheet is a fresh set with complete step-by-step solutions.

Sample practice problems for Common Core G-CO.C.9

Other High School standards with practice