Answer:
d
Step-by-step explanation:
The square root of 144 is 12. So multiply 8.3333 by 12. You should get 99.9996.
Area of a circle is pi x r^2
R is the radius which is have the diameter: r = 10/2 = 5
Area of the full circle would be 3.14 x 5^2 = 3.14 x 25 = 78.5 square units.
A semi circle is half a full circle
Area of the semi circle = 78.5/2 = 39.25 square units.
