Lateral Area

1
12. 4 Lateral Area and Surface Area of Pyramids
and Cones
2
Slant height
Lateral Surface
r radius
l slant height
3
Lateral Area and Surface Area of a Cone
l slant height
4
Example 1 Find the Lateral Area and Surface
Area. Round to the nearest tenth.
15 cm
9 cm
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Slant height
In a REGULAR Pyramid
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Lateral Area and Surface Area of a Pyramid
l slant height
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Example 3 Find the Lateral Area and Surface
Area. Round to the nearest tenth.
8 cm
12 cm
12 cm
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Volume of Pyramids and Cones
9
Find the volume.
8 ft
10 ft
12 ft
What is the area of the base?
What is the height?
10
What is the volume of this cone?
4 cm
3 cm
2 cm
11
Book p. 520 7 - 14 p. 525 8 - 16