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3 years ago

15

In quadrilateral ABDC, AB // CD. Which additional piece of information is needed to determine that ABDC is a parallelogram? over

line AB cong overline CD O overline AC cong overline BD OAB overline AB perp overline BD; overline CD perp overline BD

1 answer:

Karo-lina-s [1.5K]3 years ago

4 0

Answer:

AC is parallel to BD

Step-by-step explanation:

A parallelogram is a quadrilateral with two pairs of parallel sides.

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