3. What fraction of the volume of a cylinder is the volume of a cone?
A. one-half
B. one-third
C. one-fourth
D. two-third
6. What spatial figure applies the formula V= 1/3 πr^2 x h for its volume?
A. Cone
B. Cube
C. Cylinder
D. Sphere
14. A closed circular water tank in a subdivision is made of concrete. Its radius is 3.2m and a height of 8m. How many liters of water does it contain when it is full?
A. 128.6144
B. 157.2288
C. 182.2588
D. 257.2288
16. A sphere has a radius of 9 cm. Find its volume.
A. 2,862.08 cm³
B. 2,872.08 cm³
C. 2,972.08 cm³
D. 3,052.08 cm³