Question 142

The angle of elevation of a tower from a distance 100 m from its foot is 30°. Height of the tower is :

Solution

it is given that angle of elevation of a tower from a distance 100 m from its foot is 30°

using,

tan 30 = $$\frac{H}{100}$$

$$\frac{1}{\surd 3}$$ = $$\frac{H}{100}$$

H = $$\frac{100}{\surd 3 }$$ m

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