Some Applicatio...

From the top of a 20 m high tower, the angle of elevation of the top of a building is 60⁰ and the angle of depression of its foot is 45⁰. What is the height of the building?

A tree stands vertically on the ground. From a point on the ground which is 30 m away from the foot of the tree, the angle of elevation of the topmost point of the tree is found to be 45⁰. What is the height of the tree?

In a ΔABC right angled at B, sin A = 1/2, if BC = 6 cm then the value of AC is:

From the top of a cliff 90 m high, the angles of depression of the top and bottom of a tower observed to be 30⁰ and 60⁰ respectively. What is the height of the tower?

Two poles of heights 6 m and 11 m stands vertically upright on a plane ground. If the distance between their feet is 12 m, then what is the distance between their tops?

The shadow of a tower standing on level ground is found to be 40 m longer when the sun's altitude becomes 30⁰ and 45⁰. Find the height of the tower.

The shadow of a tower is 15 m when the sun's elevation is 30⁰. What is the length of the shadow when the sun's elevation is 60⁰?

The string of a kite is 250 m long and it makes an angle of 60⁰ with the horizontal. What is the height of the kite? (Assume there is no slackness in the string)

From the top of a 7 m high building, the angle of elevation of the top of a cable tower is 60⁰ and angle of depression of the bottom of tower is 45⁰. What is the height of the tower?