A trapezoid has one base equal to its height, x, and the other base is twice as long. Write the expression for the area of the trapezoid as a common fraction in terms of x.
h = x
b1 = x
b2 = 2x
Area = ½·h·(b1 + b2) ---> Area = ½·x·(x + 2x) ---> Area = ½·x·(3x)
---> Area = (3/2)·x2
+100 
