10-3 Example 1 What is the surface area of the rectangular prism?

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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

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

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

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

10-3 Example 1 What is the surface area of the rectangular prism? 5. Find the sum of the areas of all the faces. 18 + 18 + 12 + 12 + 24 + 24 = 108 The surface area of the rectangular prism is 108 square units. Lesson 3-4 Example 1