Areas of Circles and Sectors Practice:
1- 49pi square feet
2- 168 units
3- (4 minus pi) square ft
4- 314 square ft
5- 22.6 square mm
6- 12 inches
7- 12pi square ft
8- 28.125pi square centimeters
9- 22.1 square centimeters
10- (243pi + 162) square ft
Hope this helps :)