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26 June, 23:28

A brick walkway forms the diagonal of a square playground. The walkway is 20 m long. To the nearest tenth of a meter, how long is one side of the playground?

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  1. 27 June, 02:00
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    diagonal² = side² + side²

    diagonal² = 2 * side²

    (24) ² = 2 * (side) ²

    (side) ² = 24 * 24 / 2 = 288

    side = √288 = 16.97 m
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