1. 10-4 Surface Areas of Pyramids
Objective – Find the surface area of pyramids and cones.

2. Pyramids
Slant Height
Height
Pyramid
Pyramid

3. Theorem 10-3 Lateral Area and Surface Area of a Regular Pyramid
Base Perimeter
Slant Height B
Surface Area
Lateral Area
Base Area

4. #1 Finding Surface Area of a Pyramid
Find the surface area of a square pyramid with base edges 5 m and slant height 3 m.

5. #2 Finding Surface Area of a Pyramid
Find the surface area of a regular hexagonal pyramid with a slant height 20 in and sides 8 in.

6. #3 Finding Surface Area of a Pyramid
Find the lateral area of a regular hexagonal pyramid. l

7. Assignment
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