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## trevorttreesh 2 years ago Which is not a property of a parallelogram? A. Contains four right angles. B. The opposite sides are parallel. C. Consecutive angles are supplementary. D. The diagonals bisect each other.

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1. andriod09

first, do you know what a parallelogram looks like?

2. trevorttreesh

ya

3. andriod09

then why are you having trouble if you don't mind me asking? tell me the traits of a parallelogram and then compare them to the ones you have as answers.

4. JonathanK

It doesn't matter, a parrallelogram doesn't have any right angles.

5. trevorttreesh

i get it now thanks

6. andriod09

ah, but you see here, a parallelogram is the general defenition of anyting with 4 sides. meaning these could be parallelograms:

7. andriod09

|dw:1357748219931:dw|

8. andriod09

but, not all of parallelograms can have right angels seen here:|dw:1357748269189:dw|

9. JonathanK

Yes, but a parallelogram's opposite sides also add up to sides add up too 180 degrees, but not all the sides are equal. Thus, if the sides are not all equal in length they cannont all be 90 degrees.

10. andriod09

^see post above yours^

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