From a point on level ground, an observer measures the angle of elevation

S

Sophie Anne

New member
to the top of a hill to be . The obs? From a point on level ground, an observer measures the angle of elevation to the top of a hill to be . The observer then walks 390 meters directly away from the hill and measures the angle of elevation to the top of the hill to be . Determine the height of the hill to the nearest meter.
 
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