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OpenStudy (rizags):
IN quadrilateral ABCD, line AC is perpendicular to line BC and line AD is perpendicular to line CD. If AB=11, what is the sum of the squares of the lengths of the sides of the quadrilateral?
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OpenStudy (raden):
do you have a diagram, please show to us ?
OpenStudy (rizags):
|dw:1379199067171:dw|
OpenStudy (raden):
let the length of AD = x, CD = y, and BC z |dw:1379199368641:dw|
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