Given:
Prove: PQRS is a parallelogram
Proof:
Statements Reasons
a. a. Given
b. b.Vertical angles are congruent
c. c. AAS postulate
d. d.CPCTC
e. e. If alt.int.angles are congruent, then lines are
f. PQRS is a parallelogram f. If one pair of opp. sides is and ,then the quad. is .
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