Answer:
so we really have a trapezoid and a
rectangle, let's get their area and sum
them up.
area of a trapezoid
(h= height
parallel sides a, b=bases
h=5
a=7 b=14
area =h(a+b)/2
=5(7+14)/2
=105/2
=area of trapezoid(105/2)+rectangle(12×14)=105/2+168
=441/2ft
or 220 1/2