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Mathematics 13 Online
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?

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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