At the foot of a mountain, the elevation of its summit is `45^@`. After ascending 400 m towards the mountain up an incline of `30^@,` the elevation changed to `60^@`. Find the height of the mountain.

From the bottom of a 'tila' the angle of elevation of its unreachable top is 45^@ . After moving 100 metre at an angle of 30^@ along the tila the angle of elevation becomes 60^@ . Find the height of the tila. (sqrt3= 1.732)

From the bottom of a 'tila' the angle of elevation of its unreachable top is 45^@ . After moving 100 metre along the 'tila' the angle of elevation becomes 60^@ . Find the height of the tila? [sqrt3 = 1.732]

The length of shadow of a tower standing on the ground is found to be 60 metres more when the Sun's angle of elevation changes from 45^@ to 30^@ . Find the height of the tower.

The length of shadow of a tower standing on the ground is found to be 60 metres more when the sun's angle of elevation changes from 30^(@) to 45^(@) . Find the height of the tower.

A statue stands on the top of a 2m tall pedestal. From a point on the ground, the angle ofelevation of the top of the statue is 60^(@) and from the same point, the angle of elevation of the top of the pedestal is 45^(@) . Find the height of the statue.

From the foot of a 60m high tower the angle of elevation of a minar is 60^@ and from the top, it is 30^@ . Find the height of the minar.

It is found that on walking x metres towards a chimney in a horizontal line through its base, the elevation of its top changes from 30^@ to 60^@ . The height of the chimney is____

The angle of elevation of the top of a tower standing on a horizontal plane from a point A is alpha. After walking a distance d towards the foot of the tower the angle of elevation is found to be beta. The height of the tower is____

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^@ .

The angle of elevation of a cloud from a point 200 m above a lake is 30^@ and the angle of depression of its reflection in the lake is 45^@ . Find the height of the cloud from the lake.