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### Question Asked by a Student from EXXAMM.com Team

** Q 3070134016. ** A contractor plans 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 height of `1.5m` and is inclined at an angle of `30^{o}` to the ground, whereas for elder children, she wants to have a steep slide at a height of `3m`, and inclined at an angle of `60^{o}` to the ground. What should be the length of the slide in each case?