1. Key Concept 4

2. Find the Volume of a Cylinder
Find the volume of the cylinder. Round to the nearest tenth.
V = r2h Volume of a cylinder
V =  • 32 • 12 Replace r with 3 and h with 12.
V  cm3 Simplify. Use a calculator.
Answer: The volume is about cubic centimeters.
Example 3

3. Find the volume of the cylinder. Round to the nearest tenth.
A in3
B in3
C in3
D. 2,199.1 in3
Example 3 CYP

4. PEGS A peg has a circular hole through its middle
PEGS A peg has a circular hole through its middle. Find the volume of the peg.
A cm3
B cm3
C cm3
D cm3
Example 4 CYP