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Mathematics, 11.03.2021 22:50 BlehBlehBlehBleh
Thomas needs to prove the following theorem:
If one pair of opposite sides of a quadrilateral is congruent and parallel, then the quadrilateral is a parallelogram.
He draws the figure below and begins his proof.
Prove: ABCD is a parallelogram
What should be Thomas's reason for Step 2?
If parallel lines are cut by a transversal, corresponding angles are congruent.
A) Vertical angles are congruent.
B) If parallel lines are cut by a transversal, alternate interior angles are congruent.
C) Congruent parts of congruent triangles are congruent
D) If parallel line are cut by a transversal, corresponding angles are congruent
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Thomas needs to prove the following theorem:
If one pair of opposite sides of a quadrilateral is co...
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