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Geometry for School and Home
Activity 3.8
Assignment 3.9
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Assignment 10.20
Volume of Cylinders, Cones, and Spheres
Objective
Apply formulas for volumes of cylinders, cones, and spheres.
About Geometry Worksheet Assignment 10.20:
Assignment 10.20 is an introduction to volume of right cylinders, cones, spheres, and hemispheres.
Prerequisite Skills: Calculate the area of a circle (Assignment 10.16). Identify the radius and diameter of a circle (Assignment 10.1).
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Theorems: The formula for the volume of a right cylinder is: V = r h (h is the height of the cylinder; r is the radius of a base)
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The formula for the volume of a right cone is: V = 1 r h (h is the height of the cone; r is the radius of the base)
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The formula for the volume of a sphere is: V = 4 r (r is the radius of the sphere)
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The formula for the volume of a hemisphere is: V = 2 r (r is the radius of the hemisphere)
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