2. Main Idea and New Vocabulary Key Concept: Volume of a Cylinder
Example 1: Volume of a Cylinder
Example 2: Real-World Example
Lesson Menu

3. Find the volumes of cylinders.
Main Idea/Vocabulary

4. Key Concept

5. Find the volume of the cylinder. Round to the nearest tenth.
Volume of a Cylinder
Find the volume of the cylinder. Round to the nearest tenth.
V = r 2h Volume of a cylinder
V = (5.5)2(9) Replace r with 5.5 and h with 9.
Use a calculator.
ENTER
2nd ×
[]
5.5 x2 9
Answer: The volume is about cubic centimeters.
Example 1

6. Find the volume of the cylinder. Round to the nearest tenth.
A cm3
B cm3
C cm3
D cm3
Example 1 CYP

7. SOUP How much soup can the can hold?
V = r 2h Volume of a cylinder
V = (1)2(4) Replace r with 1 and h with 4.
V ≈ Simplify.
Answer: It can hold about cubic inches of soup.
Example 2

8. JUICE How much juice can this can hold?
A. 2,261.9 cm3
B cm3
C cm3
D. 60 cm3
Example 2 CYP