If the elevation of the sun is `30^@` , then the length of the shadow cast by a tower of 150 ft. height is

Find the elevation of the sun at the moment when the length of the shadow of a tower is just equal to its height.

The shadow of a pole is 9m long when the angle of elevation of the sun is 30^@ . Find the length of the shadow when the angle of elevation of the sun is 60^@ .

Fill in the blanks If the angle of elevation of sun is_______ 45^@ , then the length of shadow of a tower will be less than the height of the tower.

The angle of elevation of the sun, if the length of the shadow of a tower is sqrt(3) times the height of the tower is

Fill in the blanks: If the angle of elevation of the Sun is____,then the length of shadow of tower and the length of tower are equal.

The angle of elevation of the sun. When the length of the shadow of a tree is equal to the height of the tree is

If the angle of elevation of the sun decreases from 45^(@) to 30^(@) , then the length of the shadow of a pillar increases by 60m . The height of the pillar is

The shadow of a tower is 16 metre when the angle of elevation of the sun is 30^@ . The length of the shadow when the sun's elevation is 60^@ will be