Question

36. The angle of elevation of a tower from a distance 50 n. From its foot is 30°. What is the height of the tower ? (1) 50/3 m 13 . (3) 75/3 m (2) 50 m 3

11th - 12th Class

Maths

Solution

106

4.0 (1 ratings)

( 36 . ) (2) Let the height of tower ( =h mathrm{m} ) Then, ( tan 30^{circ}=frac{h}{50} ) [ h=50 times frac{1}{sqrt{3}} Rightarrow h=frac{50}{sqrt{3}} mathrm{m} ]