Carpentry Precision Exam Practice 2025 - Free Carpentry Practice Questions and Study Guide

Question: 1 / 400

For a roof measuring 26' x 48', how many 4' x 8' sheets of plywood are needed?

30 sheets

35 sheets

39 sheets

To determine how many 4' x 8' sheets of plywood are needed for a roof measuring 26' x 48', first calculate the total area of the roof. The area is calculated by multiplying the length by the width:

Area of the roof = 26 feet * 48 feet = 1248 square feet.

Next, calculate the area of one 4' x 8' sheet of plywood:

Area of one sheet = 4 feet * 8 feet = 32 square feet.

To find out how many sheets are required, divide the total area of the roof by the area of one sheet of plywood:

Number of sheets needed = Total area of roof / Area of one sheet = 1248 square feet / 32 square feet = 39 sheets.

Thus, the right answer is 39 sheets, which is why the correct choice is the one providing that quantity. This calculation ensures that you cover the entire area of the roof without shortage.

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