Math
posted by Jerald .
Trapezoid with base lengths 3 inches and 7 inches and height 12 inches Find the area.
Formula : A=1/2(base 1 + base 2)h
A=81.6in?

You should be able to do this mentally
area = (1/2)( 3 + 7)(12)
= (1/2)(10)(12)
= (1/2)(120)
= 60
How did you ever get 81.6 ??