Grade Eight, Unit Eight Lesson 7, Connexus.
Comparing Volume Formulas Quick Check Answers:
1. Describe how the volume formula for a cone differs from the volume formula of a pyramid.
Since the base of the cone is a circle, the volume formula uses the area of a circle for the
base area. (correct)
2. What is the volume of the given figure? Use 3.14 for pi and round to the nearest tenth.
523.3 cubic feet. (correct)
3. What is the volume of a pyramid that is 8 inches tall with a rectangular base that is 6
inches by 4 inches?
64 cubic inches. (correct)
4. What is the volume of a ball with a radius of 6 centimeters? Use 3.14 for pi and round to
the nearest hundredth.
904.32 cubic centimeters. (correct)
5. A cylinder has a diameter of 10 feet and is 2 feet tall. What is the volume of the cylinder?
Use 3.14 for pi.
157 cubic feet. (correct)