the question is "Tim's workbench is in the shape of a trapezoid. If the area of Tim's trapezoidal workbench has a total of 1,440 square inches, what is the total length, in inches, of the longest side of his workbench?
well the shortest is 32in. and the seconed longest is 40in. but i have to find out how long the *BIGEST* side is in inches!