Question 1190507
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The angle of depression is where you start looking directly horizontal, then look down the number of degrees mentioned. 
Refer to the drawing below
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Notice how 58+32 = 90


tan(angle) = opposite/adjacent
tan(58) = x/50
x = 50*tan(58)
x = 80.0167264520526


The distance is roughly 80 meters. 
Round however else you need if your teacher instructs.
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