Answer:
The area of the figure is 628.3185307
Step-by-step explanation:
A= Pi*r^2
Pi*10^2= 314.15926535 (This is the answer for 2 semicircles combined)
Now you just multiply 314.15926535 by 2 to get the area of all the semicircles combined.
(314.15926535) *2 = 628.3185307