1. Surface area of Pyramids

2. Pyramid- 1 base and the sides are triangles
A pyramid has 1 height: ( highest point to the base)
Slant height (l) l

3. You use slant height(l) for surface area
Ex.1- Find the surface for the square pyramid.
12cm
7 cm
7 cm

4. Find the surface area
10 cm
8 cm

5. Ex2. Find the surface area for the square pyramid.3 8 8

6. Surface area of a cone:
Base(circle) 𝜋 𝑟 2
Cone(Wrap) 𝜋𝑟𝑙

7. Try These

8. Find the surface of the cone w/slant height
Ex #1
Base________
Wrap_______
Total_________

9. Find the surface area of the cone w/o Slant height
EX.2 8