Applications of Trigonometry Heights and Distances cbse ncert solutions class 10 Chapter 9 Exercise 9.1 Question 3
3. A contractor plans to install two slides for the children 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 1.5 m, and is inclined at an angle of 30 to the ground, whereas for elder children, she wants to have a steep slide at a height of 3 m, and inclined at an angle of 60 to the ground. What should be the length of the slide in each case?