contestada

The circle has center O. Its radius is 9 ft, and the central angle a measures 50°. What is the area of the shaded region?
Give the exact answer in terms of it, and be sure to include the correct unit in your answer.

The circle has center O Its radius is 9 ft and the central angle a measures 50 What is the area of the shaded region Give the exact answer in terms of it and be class=