1 Surface Area of Cylinders 2 (No Transcript) 3 Surface Area of a Cylinder
Total Surface Area area of the two circular bases and rectangular surface
S 2pr2 2prh
Lateral Surface Area just the rectangular surface (can label)
4 EX 1 Find the Total Surface Area
S 2pr2 2prh
S 2p(62) 2p(6)(8)
S 2(36)p 2(48)p
S 72p 96p
S 527.52 cm2
What is the lateral surface area
5 EX 2 Find the Lateral Surface Area
S 226.08 m2
6 EX 3 A coke can has a radius of 3 inches and height of 5 inches. How much aluminum is needed to make the can
S 2pr2 2prh
S 2p(32) 2p(3)(5)
S 2(9)p 2(15)p
S 18p 30p
S 150.72 in2
7 EX 4 A Campbells soup employee needs to know how much paper is needed to make the label on a can of Tomato Soup. The can has a radius of 2.5 inches and a height of 5 inches. How much paper is needed to make the label
S 78.5 in2
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