can some one answer this fast for me I have been work on it for a long time thank you.

Answer:
(a) (πa^2/2)+8a
(b) πa^2/2 represent the area of the semicircle in the figure while
8a is the area of the rectangle
Step-by-step explanation:
(c) area = (22/7*2^2/2)+8*2
=44/7*16=100.57in^2