Asked by Charito
From the top of a tree the angle of depression of a boat is 30degree if the height of a tree is 36m above the sea level calculate the horizontal distance of the boat from the bottom of a tree?
Answers
Answered by
Reiny
I assume you made a sketch
In mine, 36/x = tan30°
x = 36/tan30 , but I know from my basic 30-60-90 triangle that tan30 = 1/√3
x = 36/(1/√3)
= 36√3 m or appr 62.35 m
In mine, 36/x = tan30°
x = 36/tan30 , but I know from my basic 30-60-90 triangle that tan30 = 1/√3
x = 36/(1/√3)
= 36√3 m or appr 62.35 m
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