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Standing on a cliff-top 66 m above a lake, a hiker sees… | StemPy Lab

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Standing on a cliff-top 66 m above a lake, a hiker sees the two ends of a straight bridge, in line below, at depressions of 45° and 30°. Find the length of the bridge in metres.

MathematicsMediumHigh School (9–10)GeneralTrigonometry › Heights and Distances SAT

Created by StemPy Lab

Standing on a cliff-top $66$ m above a lake, a hiker sees the two ends of a straight bridge, in line below, at depressions of $45°$ and $30°$ . Find the length of the bridge in metres.

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← A person at a window 22 m up sees the top of a tower 45° above the horizontal and its foot 30° below it. Find the height of the tower in metres.From a point on level ground the angle of elevation of the top of a tower is 30°. After walking 100 m straight towards the tower, the angle is 45°. Find the height of the tower in metres. →

More onTrigonometry › Heights and Distances

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