Answer: The area of the circle is 16π square inches
This is because the diagram shows a circle whose diameter id shown to be 8 inches.
From the formula of the area of a circle given as :

Where:
r = radius of the circle = one half of the diameter of the circle
Thus:
r = (1/2) * 8 = 4 inches
Input the value of the radius in the formula:

Therefore, the area of the circle is 16π square inches