# CBSE Class 10 Maths Applications of Heights and Distances

## Q.

Which of the following trigonometric ratios can be used in the given figure?

## Q.

When can tan or cot of an angle be used in the given problem?

## Q.

At a certain instant,
the ratio of the lengths of a pillar to its shadow is √3:1. At this instant
the angle of elevation of the Sun is** **

## Next Videos

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- the angle of elevation of a cloud from a point h metre above a lake is theta. the angle of depression of its reflection in the lake is 45 degree. Find the height of the cloud
- a fire in the building Bis reported on telephone to two fire staitons P and Q, 20 km apart from each other on a straight road P observes that the fire is at an angle of 60 degree to the road and Q observes that it is at an angle of 45 degree to the road. What station should send its team and how much time will this team have to travel?
- from a point on the ground the angles of elevation of the bottom and top of a communication tower fixed on the top of a 20 meter high building a 45 degree and 60 degree respectivelyf.find the height of the tower.
- From the top of a building 60 d high, the angles of depression of the top and the bottom of a tower are observed to be 30°and 60° respectively. Find the height of the tower.
- a boat is viewed from the top of a hill which is 100 meter above the sea the angle of depression being 60 degree .find the horizontal distance of the observation point in meter
- Pls explain
- as observed from the top of the lighthouse, 100m high above sea level , the angle of depression of a ship changes from 30 degrees to 45 degrees. determine the distance travelled by ship during the period of observation.
- Determine the height of the mountain if the elevation of it's top at an unknown distance from the base is 30°and at a distance10km further off from the mountain along the same line the angle of elevation is 15°(use tan 15°=0.27)

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