Question

Given: AB=CD, BC=DA
Prove: ABCD is a parallelogram

Answer 1

Answer:

Step-by-step explanation:

2) reflexive property

3) Triangle BCD, SSS

4) Angle 3, Angle 2

5) Alternate interior angles theorem

6) If a quadrilateral has 2 pairs of opposite sides that are parallel, the quadrilateral is a parallelogram.