Surface Area of a Pyramid: S.A. = L.A. + B
= 1/2pl + B
Example 2) Find the surface area of the pyramid to the nearest square unit. a)
b)
1
You Try 2) Find the surface area of the pyramid to the nearest square
unit.
a)
b)
not on 10.6 Wkst
2
Surface Area of a Cone: S.A. = L.A. + B
= πrl + B
Example 3) Find the surface area of the pyramid to the nearest square unit. a)
b)
3
You Try 3) Find the surface area of the cones to the nearest square
unit.
a)
b)
not on 10.6 Wkst
4
Surface Area of a Sphere: S.A. = 4πr2
Example 4) Find the surface area of the pyramid to the nearest square unit. a)
b)
5