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Angle of elevation and depression, help po
1. From the top of the cliff which rises vertically 31.5 meters above the river bank, the angle of depression of the opposite bank is 30⁰ 25’. How wide is the river?
1. From the top of the cliff which rises vertically 31.5 meters above the river bank, the angle of depression of the opposite bank is 30⁰ 25’. How wide is the river?