-Provide the Missing Statements Abd Nissing Reasons for the Proof

Essay

-Provide the missing statements abd nissing reasons for the proof of this theorem.
"If both pairs of opposite sides of a quadrilateral are congruent, the quadrilateral is a parallelogram."
Given: Quad. MNPQ; and Prove: MNPQ is a parallelogram
S1. R1. Given
S2. Draw diagonal R2.
S3. R3. Identity
S4. R4. SSS
S5. R5.
S6. R6. If 2 lines are cut by a trans. so that alternate interior angles
are congruent, these lines are parallel.
S7. R7.
S8. R8.
S9. R9.