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15 May, 09:06

Caleb has a piece of rectangular paper that is 12 inches wide by 16 inches long. He drew a straight line along the diagonal of the paper. What is the length of the line Caleb drew?

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  1. 15 May, 09:28
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    Assume the diagonal line is "d", the rectangle width "w" and the length "l"

    d^2 = w^2 + l^2

    d^2 = 12^2 + 16^2

    d^2 = 144 + 256 = 400

    d = √400=20 inches
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