Question

From the top of a cliff 60 metre high the angle of depression of the top and the bottom up with our blood with 30 degree and 60 degree find the height of the tower

Answer 1

in ∆ABE
tan60°=60/AB
AB=20√3
in ∆ADC
tan30°=60-h/DC.... (DC=AB
h=14cm
H=AE-ED
=60-14
=46cm
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