Question

300m from the foot of a cliff on level ground ,the angle of elevation of the top of a cliff is 30degree. find the height of this cliff.

Answer 1

this is the answer hope it will help u

Answer 2

Hey there,

Let the foot of the cliff be B
Let the point of observer be A
Let the highest point of cliff be C

then ∠CBA=90°
∠CAB=30°

Applying tan to 30°,
we get-

BC/AB=tan 30°
BC/300=1/√
BC=300/√3=100√3 m
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