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3 May, 03:31

A 25-foot long ladder is propped against a wall at an angle of 18° with the wall. how high up the wall does the ladder reach?

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  1. 3 May, 03:50
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    We can use the sin equation to find the wall height (h)

    sin 18 = h / 25

    h = 25 * sin18

    h = 25 * 0.309

    h = 7.725 foot
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