Transcript Warm up - Mrs. Bills Home Page

7.4 Surface Area and Volume of Cylinders
Warm up
1. Given an isosceles triangular pyramid with
S = 2.1 cm, l = 14.2 cm, B = 19.6 cm2
and height 12 cm
a) find the surface area
b) find the volume
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7.4 Surface Area and Volume of Cylinders
Section 7-4 Cylinders
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Parts of a Cylinder
altitude
base
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7.4 Surface Area and Volume of Cylinders
The surface area, S, of a right
cylinder with lateral area L, base area
B, radius r, and height h is given by:
S = L + 2B or S = 2rh + 2r2.
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7.4 Surface Area and Volume of Cylinders
1. Find the surface area of a right cylinder.
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7.4 Surface Area and Volume of Cylinders
The volume, V, of a cylinder with
radius r, height h, and base area B
is given by:
V = Bh or V = r2h.
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7.4 Surface Area and Volume of Cylinders
2. Find the volume of a right cylinder.
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3. A penny has a diameter of 19.05
mm and a thickness of 1.55 mm
a) find the surface area
b) find the volume
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Assignment
Page 456 # 6-11,14,15,20,21,23,28,29
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