CK-12 Geometry - Second Edition

2.5. Proofs about Angle Pairs and Segments http://www.ck12.org

7.Given:l⊥mProve:^61 ∼=^62

8.Given:m^61 = 90 ◦Prove:m^62 = 90 ◦

9.Given:l⊥mProve:^6 1 and^6 2 are complements

10.Given:l⊥m^62 ∼=^66 Prove:^66 ∼=^65

Use the picture for questions 11-20.

Given:His the midpoint ofAE,MPandGC

Mis the midpoint ofGA

Pis the midpoint ofCE

AE⊥GC