## From the top of a building 20 m high, the angle of elevation of the top of a monument is 45 and the angle of depression of its foot is 15. Find the height of the monument.

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sir this is the important  question from the book -ML aggarwal( avichal publication) class 10th , chapter20 , heights and ...Read more

## A vertical pole and a vertical tower are on the same level ground. From the top of the pole the angle of elevation of the top of the tower is 60 and the angle of depression of the foot of the tower is 30. Find the height of the tower if the height of the pole is 20 m.

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sir this is the important  question from the book -ML aggarwal( avichal publication) class 10th , chapter20 , heights and ...Read more

## A pole of height 5 m is fixed on the top of a tower. The angle of elevation of the top of the pole as observed from a point A on the ground is 60 and the angle of depression of the point A from the top of the tower is 45. Find the height of the tower. (Take √3 = 1.732)

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sir this is the important  question from the book -ML aggarwal( avichal publication) class 10th , chapter20 , heights and ...Read more

## The angles of depression of the top and the bottom of an 8 m tall building from the top of a multi-storeyed building are 30 and 45 respectively. Find the height of tire multi-storeyed building and the distance between the two buildings, correct to two decimal places.

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sir this is the important  question from the book -ML aggarwal( avichal publication) class 10th , chapter20 , heights and ...Read more

## The angle of elevation of the top of an unfinished tower at a point distant 120 m from its base is 45. How much higher must the tower be raised so that its angle of elevation at the same point may be 60?

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sir this is the important  question from the book -ML aggarwal( avichal publication) class 10th , chapter20 , heights and ...Read more

## In the adjoining figure, the shadow of a vertical tower on the level ground increases by 10 m, when the altitude of the sun changes from 45 to 30. Find the height of the tower and give your answer, correct to 1/10 of a metre.

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sir this is the important  question from the book -ML aggarwal( avichal publication) class 10th , chapter20 , heights and ...Read more

## An aircraft is flying at a constant height with a speed of 360 km/h. From a point on the ground, the angle of elevation of the aircraft at an instant was observed to be 45. After 20 seconds, the angle of elevation was observed to be 30. Determine the height at which the aircraft flying. (use √3 = 1.732)

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sir this is the important  question from the book -ML aggarwal( avichal publication) class 10th , chapter20 , heights and ...Read more