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14 May, 21:29

A wheelchair access ramp has an angle of elevation of 31 degrees. If the ramp reaches to the top of a 42 inch high porch, how long is the ramp? (also that's a pretty tall porch!)

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  1. 14 May, 21:48
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    Step-by-step explanation:

    sin 31 = 42/x

    x sin 31 = 42

    x = (sin 31) / 42
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