Question

2. What is the area of each cut surface

3. What is the total area janey still needs to paint? Explain how you found your answer

Answer 1

9514 1404 393

Answer:

1. an 8-inch by 10-inch rectangle
2. 80 square inches
3. 160 square inches

Explanation:

1. The shape of each cut surface is the same shape as the base it is parallel to: a rectangle. It is an 8" by 10" rectangle.

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2. The area of each cut surface is the area of the rectangle:

A = LW = (10")(8") = 80 square inches

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3. The total area of cut surfaces is the sum of the two areas on either side of the cut:

new surface area = 2 × 80 square inches = 160 square inches