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19 December, 11:25

A slide is 21 ft long. To get to the top of the slide, you use a vertical 9 foot high rung ladder. What is the distance, b, from the bottom of the slide to the bottom of the Stairs? Round your answer to the nearest tenth.

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  1. 19 December, 12:02
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    C²-a²=b²

    21²-9²=b²

    441-81=b²

    360=b²

    √360=b

    18.97=b

    19=b
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