Hi,



One base of a trapozoud is one smaller than twice the second base. b2 = 2b1 - 1

The height is three less than the smaller base. h = b1 - 3

A = 

                        (3b1 - 1)(b1-3) = 88

                      3b1^2 -10b1 -85 = 0  Solve for b1

 

                     



 

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