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OpenStudy (anonymous):
If DH=3x-3 and FH=X+7, find the value of x for whichDEFG must be a parallelogram.
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OpenStudy (anonymous):
|dw:1372014940390:dw|
OpenStudy (anonymous):
I got 5 as the answer
OpenStudy (mathstudent55):
What do you know about the diagonals of a parallelogram?
OpenStudy (anonymous):
not always congruent
OpenStudy (mathstudent55):
Correct, but they bisect each other. That means for this to be a parallologram, you need 3x - 3 = x + 7 2x = 10 x = 5 You are correct.
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