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NCERT Solutions for Class 10 Maths Chapter 9 Some Applications of Trigonometry

Exercise 9. You can download these solutions in PDF ncert solutions class 10th applications of trigonometry text the above link. A circus artist is climbing a 20 m long applicatjons, which is tightly stretched and tied from the top of a vertical pole to the ground. The distance ncert solutions class 10th applications of trigonometry text the foot of the tree to the point where the top touches the ground is 8 m.

Find the height of the tree. You can also download the free PDF of Ex ncert solutions class 10th applications of trigonometry text. A contractor plans to install applicationa slides for the children Ncert Solutions Class 10th Applications Of Trigonometry Rate to play in a park. For the children below the age of 5 years, she prefers to have a slide whose top is at a height of 1.

What should be c,ass length of the slide in each case? Find the height of the tower. A kite is flying at a height of 60 m above the ground. The string attached to the kite is temporarily tied to a point on the ground. Find the length of the string, assuming that there is no slack in the string. Find the distance he walked towards the building. A statue, 1. Find the height of ncert solutions class 10th applications of trigonometry text pedestal.

If the tower is 50 m high, find the applicationns of the building. Two poles of equal heights are standing opposite each other on either side of the road, which is 80 m wide. Find the height of the poles and the 10tb of the point from the poles. A TV tower stands vertically on a bank of a canal. Find the height of the tower and the width of the CD and 20 m from pole AB.

Determine the height of the tfxt. If one ship is exactly behind the other on the same side of the lighthouse, find the distance between the two ships. Find the distance travelled by the balloon during the interval.

A straight highway leads to the foot trigomometry a tower. Find the time taken by the car to reach the foot of the tower from this point. 10rh angles of elevation of the top of a tower from two points at a distance of 4 m and 9 m from the base of the tower and in the same straight line with it are complementary.

Prove that the height of the calss is 6 m. The height or length of an object or the distance between two distinct objects can be determined with the help of trigonometric ratios. The observer is looking at the top of the pole. The angle BAC, so formed by the triggonometry of sight with the horizontal, is called the angle of elevation of the top of the pole from the eye of an observer.

In the applicatioons figure, the line AC, is the line of sight as the observer is looking downwards from the top of the building at A towards the object at C. From the above figure, if we want to find the height CD of the pole without actually measuring it, we need the following information: i Distance ED of the observer from the pole.

Assuming that the above three conditions are known we can determine the height of the pole in the following way. By adding AE to BC, you will get the height of the pole. Some Applications of Trigonometry Class 10 Ex 9. Solution: Ex 9. Angle of Depression In the above figure, the line AC, is the flass of sight as the observer is looking downwards from the top of the building at A towards the object at C.

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Now, you must have understood all the important topics and terms covered in each section of class 10 maths chapter 9. The most important use of trigonometry is to find out the height of the highest mountain in the world i. Chapter 13 - Surface Areas and Volumes. The content, which is short and self-explanatory, and well organized. One angle of elevation from the bank of the river and another angle of elevation 20m away from the bank of the river are given To calculate: Height of the tower, width of the canal Find the length of the string, assuming that there is no slack in the string.

Thus:

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