Q 3010245110.     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?

A

5m is the length of the slide made for children below the age of 5 years and 3m is the length of the slide made for elder children.

B

3m is the length of the slide made for children below the age of 5 years and `2\sqrt{3}m` is the length of the slide made for elder children.

C

7m is the length of the slide made for children below the age of 5 years and 5m is the length of the slide made for elder children.

D

2m is the length of the slide made for children below the age of 5 years and `7\sqrt{2}m` is the length of the slide made for elder children.

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