If a quadrilateral is a parallelogram, then __________.
(I do not believe B makes sense, because I always thought opposite sides were congruent)
A.
its opposite angles are supplementary
B.
its consecutive sides are congruent
C.
its consecutive angles are congruent
D.
its consecutive angles are supplementary

Question

If a quadrilateral is a parallelogram, then __________. 
(I do not believe B makes sense, because I always thought opposite sides were congruent) 
A.
its opposite angles are supplementary
B.
its consecutive sides are congruent
C.
its consecutive angles are congruent
D.
its consecutive angles are supplementary

jim_thompson5910 · Answer

`I always thought opposite sides were congruent` you are correct

anonymous · Answer

Does that apply to angles too or just sides?

jim_thompson5910 · Answer

Parallelogram ABCD

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jim_thompson5910 · Answer

Properties:

opposite sides are congruent: AB = CD, AD = BC

opposite angles are congruent: A = C, B = D

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