Which of the following are NOT sufficient to prove that a quadrilateral is a parallelogram?
I. Two pairs of opposite angles congruent.
II. Both pairs of opposite sides are parallel.
III. Both pairs of opposite sides are congruent.
IV. A pair of opposite angles congruent and a pair of opposite sides congruent.
V. A pair of adjacent angles are supplementary.
VI. One pair of opposite sides are both parallel and congruent.
VII. A pair of opposite sides parallel and the other pair of opposite sides congruent.
VIII. The diagonals bisect each other.
V and VII
IV, V,

Hey! We 've verified this expert answer for you, click below to unlock the details :)

I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!

a V and VII
IV, V, and VI
V, VI, and VII
IV and VI

a b c or d i meant

if it looks like a rectangle and can be squashed, it a parallelagram i believe

Looking for something else?

Not the answer you are looking for? Search for more explanations.

## More answers

Looking for something else?

Not the answer you are looking for? Search for more explanations.