Which of the following is not a property of a parallelogram?
A. Opposite sides are congruent.
B. Consecutive sides are complementary
C. Opposite sides are parallel
D. Diagonals bisect each other

Question

Which of the following is not a property of a parallelogram?
	A.	Opposite sides are congruent.
	B.	Consecutive sides are complementary
	C.	Opposite sides are parallel
	D.	Diagonals bisect each other

anonymous · Answer

B.

anonymous · Answer

B. Consecutive sides are complementary
   Consecutive sides are supplementary

anonymous · Answer

Consecutive sides cannot be complementary.

anonymous · Answer

Explain

anonymous · Answer

It's all just theorems really. It's just memorization. If you want to figure it out using logic, sides cannot be complementary because only angles can equal a 90º.