## Q- When the top of the chimney of a factory is seen from a point on the roof of the three storied building of 9√3-meter height, the angle of elevation is 30 °. If the distance between the factory and chimney is 30 meters, let us write by calculating height of the chimney.

Chapter: Application of Trigonometric Ratios: Height and Distance

## Q- The bottom of a light house and bottom of the mast of two shops are on the same straight line and the angle of depression from the light house at the bottom of mat of two hip are 60 ° and 30 ° respectively. If the distance of the points at the bottom of the light house and the bottom of the mast of other ship from the light house be and what will the height of light house be.

Chapter: Application of Trigonometric Ratios: Height and Distance

## Q- From a point on the roof of five-storied building the angle of elevation of the top of a monument and that of angle of depression of the foot of the monument are 60 ° and 30 ° respectively. If the height of the building is 16 meters, let us write by calculating the height of the monument and the distance of the building from the monument.

Chapter: Application of Trigonometric Ratios: Height and Distance

## Q- A palm tree stands on the bank of a river. A post is fixed in the earth on the other bank just opposite to the palm tree. On moving 7 √3 meters from its foot the post along the bank, it is found that the tree makes an angle of 60 ° at that point with respect to this bank. Let us find the width of the river.

Chapter: Application of Trigonometric Ratios: Height and Distance

## Q- A telegraph post is bent at a point above the ground due to storm. Its top just meets the ground at a distance of 8 √3 meters from its foot and makes an angle of 30 °. Let us write by calculating at what the height the post is bent and what is the height of the post.

Chapter: Application of Trigonometric Ratios: Height and Distance

## Q- If the angle of the elevation of the top of a chimney from a point om the horizontal plane passing through the foot of the chimney id 60 ° and the angle of elevation from another point ion the same plane at a distance of 24 meters from the first point is 30 °, let us write by calculating the height of the chimney. [ Let us find the approximate value correct up to three decimal places, assuming [√3 = 1.732 approx.]

Chapter: Application of Trigonometric Ratios: Height and Distance

## Q- If the angle of elevation of the top of a coconut tree from a point on the ground is 60 ° and the point is 20 meters away from the foot of the tree, let us find the height of the tree.

Chapter: Application of Trigonometric Ratios: Height and Distance