5. A cylindrical tank has a radius of 15 ft. and a height of 45 ft. How many cubic feet of water can the tank
hold?
A. 127,170 cu. ft.
B. 31,792.5 cu. ft.
C. 15,896.25 cu. ft.
D. 675 cu. ft
8. The diameter of a round dinner plate is 10 inches. What is the area of the plate?
A. 39.25 square inches
B. 39.25 inches
C. 78.5 square inches
D. 314 square inches