# Class 10 NCERT Solutions Maths Chapter 9 - Some Applications of Trigonometry

Ex. 9.1

## Some Applications of Trigonometry Exercise Ex. 9.1

### Solution 1

### Solution 2

Let AC be the original tree and A'B be the broken part which makes an angle of 30^{o} with the ground.

### Solution 3

In the two figures, AC and PR are the slides for younger and elder children respectively

### Solution 4

### Solution 5

Let A be the position of the kite and the string is tied to point C on ground.

### Solution 6

### Solution 7

Let BC be the building, AB be the transmission tower, and D be the point on ground from where elevation angles are to be measured.

### Solution 8

Let AB be the statue, BC be the pedestal and D be the point on ground from where elevation angles are to be measured.

### Solution 9

### Solution 10

### Solution 11

### Solution 12

### Solution 13

Let AB be the lighthouse and the two ships be at point C and D respectively.

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### Solution 14

### Solution 15

Let AB be the tower. C is the original position of the car which changes to D after six seconds.