A contractor plans to install two slides for the
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A contractor plans to install two sides for children's play in a park. For th children below the age of 5years, she prefers to have a slide whose top is at a height of 1.5 and is inclined at an angle of 30 to the ground , whereas for elder children she wants to have a sleep slide at the height of 3m, and inclined at an angle of 60 to the ground. What should be the length of the slide in each case?
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