Mathematics
youbadyobreath
2016-04-19 20:17:42
Quadrilateral abcd has side lengths of ab = 13w 5, bc = 5z 2, cd = 13w 5, and ad = 3z + 5. find the value of z for which quadrilateral abcd is a parallelogram.
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sallysue
2016-04-19 22:37:11

If quadrilateral ABCD is a parallelogram then : BC = AD 5 z - 2 = 3 z + 5 5 z - 3 z = 5 + 2 2 z = 7 z = 7 : 2 z = 3.5         Answer: The value of z for which quadrilateral ABCD is a parallelogram is 3.5

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