Question

Which statement about a parallelogram is always true?

1. The adjacent angles are supplementary.
2. The adjacent sides are congruent.
3. The diagonals are perpendicular.
4. The diagonals are congruent.

Answer 1

the latter two are quite not

Answer 2

latter two ?

Answer 3

1. The adjacent angles are supplementary.

Answer 4

1 and 2 are correct
3 and 4 are not (but sometimes only)

Answer 5

Thanks guys (:

Answer 6

Thanks Steph