Answer:
109.9ft^2
Step-by-step explanation:
By dividing the trapezium, we get a small triangle where the opposite side to the angle is h and the adjacent is 4 since 12-8=4
4tan70 =h
:. h=10.99ft
A = 1/2h(a+b)
A=1/2X10.99(8+12)
A= 109.9ft^2
