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To create a frame measuring 3 feet by 4 feet with a diagonal, you will need to calculate the perimeter and add the diagonal length. The perimeter of the rectangle is 2(3 + 4) = 14 feet. The diagonal can be calculated using the Pythagorean theorem: √(3² + 4²) = 5 feet. Therefore, the total length needed is 14 + 5 = 19 feet. Since each board is 8 feet long, you will need 3 boards (2 for the perimeter and 1 for the diagonal).

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9mo ago

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