Answer and Explanation
Your Answer is
Correct Answer is D
Explanation
Because AB=40, the radius of the small circle is 10, and the area is 100π.
Use the following information to answer questions 53-55.
In the figure below, a large circle with center O has a diameter AB that is 40 mm long. Point C lies on the large circle such that the measure of ∠ABC is 60°. A diameter of the small circle is AO.
53. What is the area, in square millimeters, of the small circle?