Lesson 9.4
Concept: Find the volume of a circular cylinder.
Guidelines: Volume = area of base • height
v = πr2 • h
14 cm
5 cm
v = 3.14 • 7 • 7 • 5
v = 769.3 ft3
v = 3.14 • 49 • 5
6’
h
Volume = 1,130.4 ft2
Find the height of the cylinder.
substitute
v = πr2 • h
1,130.4 = 3.14 • 6 • 6 • h
1,130.4 = 113.04 h
113.04 113.04
h = 10
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