Homework Help: Geometry

Posted by sl on Monday, December 17, 2012 at 7:49pm.

If ABCD is a rectangle with center Z (where the diagonals bisect), and AC = 3x+11 and BD = 2x+31, what is x?

Geometry - Steve, Tuesday, December 18, 2012 at 10:05am
since the diagonals are equal,

3x+11 = 2x+31
x = 20

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