Question

From a point on the ground, 20 m away from the foot of a vertical tower, the angle elevation of the top of the tower is 60°, What is the height of the tower?

Answer 1

Let be the height of tower is meters.

Given that: angle of elevation is and meters.

Here we have to find height of tower.

So we use trigonometric ratios.

In a triangle,

Hence height of tower is .