Answer:
105.12
Explanation:
Find the area of the rectangle (8 x 10 = 80)
Find the area of the whole circle (3.14 x 4^2 = 50.24)
Divide the area of the circle by 2 since it is a semi circle (50.24 / 2 = 25.12)
Add the area of the two (25.12 + 80 = 105.12)