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17 October, 07:10

A dining room table is 7 feet long and 4 feet wide. How far is it from one corner to diagonally opposite corner of the table? Round to the nearest tenth

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  1. 17 October, 10:54
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    d = + 8.1 ft

    Step-by-step explanation:

    Use the Pythagorean Theorem here to find the length of the diagonal of the table top: d = sqrt[ (7 ft) ^2 + (4 ft) ^2 ].

    This simplifies to d = + √ (49 + 16) ft, or d = + √65 ft

    Using a calculator to evaluate √65, we obtain d = + 8.1 ft (to the nearest tenth)
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