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16 September, 06:45

A ladder that is 15 feet long leans against the side of a house. the angle of elevation of the ladder is 80°. find the height from the top of the ladder to the ground. (round your answer to one decimal place.

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  1. 16 September, 07:58
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    Sin80=h/15

    (because h is opposite the angle of elevation and 15 is the hypotenuse)

    h=15sin80=14.77

    h=14.8 ft (rounded to the nearest tenth of a foot)
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