234k views
2 votes
When can a quadrupedal be called a parallelogram

1 Answer

3 votes

Answer:

A quadrilateral is a parallelogram if:

Both pairs of opposite sides are congruent. If they are congruent, they must also be parallel. Or: One pair of opposite sides are congruent and parallel.

User Jmvcollaborator
by
2.9k points