Question

Given: ABCD is a parallelogram.
Prove: AB CD and BC = DA
B
С

Answer 1

AB = CD because opposite sides of a  parallelogram are congruent or equal

BC = DA because opposite sides of a parallelogram are equal or congruent.

What are properties of a parallelogram?

The properties of a parallelogram are:

• Opposite sides are parallel and congruent.

• Opposite angles are congruent.

• Consecutive angles are supplementary.

• Two diagonals bisect each other

Hence, AB = CD because opposite sides of a  parallelogram are congruent or equal

BC = DA because opposite sides of a parallelogram are equal or congruent.

Learn more about a parallelogram here:

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