1. 10-3 Example 1 What is the surface area of the rectangular prism?
1. Draw a net of the rectangular prism. Label the faces A, B, C, D, E, and F.
Lesson 3-4 Example 1

2. 10-3 Example 1 What is the surface area of the rectangular prism?
2. Find the area of the faces A and F.
A = l × w
A = 6 × 4 = 24
Lesson 3-4 Example 1

3. 10-3 Example 1 What is the surface area of the rectangular prism?
3. Find the area of the faces B and D.
A = l × w
A = 4 × 3 = 12
Lesson 3-4 Example 1

4. 10-3 Example 1 What is the surface area of the rectangular prism?
4. Find the area of the faces C and E.
A = l × w
A = 6 × 3 = 18
Lesson 3-4 Example 1

5. 10-3 Example 1 What is the surface area of the rectangular prism?
5. Find the sum of the areas of all the faces.
= 108
The surface area of the rectangular prism is 108 square units.
Lesson 3-4 Example 1