The circle has center 0. Its radius is 3 ft, and the central angle a measures 50% What is the area of the shaded region?
Give the exact answer in terms of 7, and be sure to include the correct unit in your answer.
![The circle has center 0 Its radius is 3 ft and the central angle a measures 50 What is the area of the shaded region Give the exact answer in terms of 7 and be class=](https://us-static.z-dn.net/files/d43/9ac4b77c091d036575f9c2ae36a20834.png)