Gulded Practice 4 in
6 in
square base
triangular faces
6 in.
6 in
6 in
A square pyramid is shown.
1. The figure has
and
(Explore Activity)
2. Find the surface area. (Example 1)
The area of the base is
The area of the four faces is
The surface area is
3. Yolanda makes wooden boxes for a crafts fair. She makes
100 boxes like the one shown, and she wants to paint all
the outside faces. (Example 2)
a. Find the surface area of one box.
square inches
square inches
square inches,
4 in
6 in.
10 in.
b. Find the total surface area of 100 boxes.
c. One can of paint will cover 14,000 square inches.
How many cans of paint will Yolanda need to buy?