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anonymous
 5 years ago
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,
anonymous
 5 years ago
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,

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0a V and VII IV, V, and VI V, VI, and VII IV and VI

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.1if it looks like a rectangle and can be squashed, it a parallelagram i believe

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.1V says opposite angles add to 180; now I know opposite angles are equal; but 90+90 are the same and supplementary so lets hold on that one

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.1VII is not sufficient; it can be a iso trap which aint a parallelagram

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.1since a and c include VII and V we should look at VI to see

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.1One pair of opposite sides are both parallel and congruent this ones good for paralells lets pick (a)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0YOUR RIGHT GO YOU GO YOU (: ITS YOUR BIRTHDAY LMBO

amistre64
 5 years ago
Best ResponseYou've already chosen the best response.1i aint had to do this much geometry since kindergarten :)
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