Posted by Lourane on Friday, June 1, 2012 at 6:44pm.
Find the area of the trapezoid
l = 23 ft l = 15 ft h = 12 ft
Would the formula be A = 1/2 x 12(23+15)
the answer being 276 ft

college math  MathMate, Friday, June 1, 2012 at 8:12pm
Yes,
A = 1/2 x 12(23+15)
but
= 6(38)
= 228 ft²