# A contractor plan

In the first case:

Height of slide= 1.5 m and angle of elevation = 30°

Now,

where p = perpendicular, i.e. height of the slide and h = hypotenuse, i.e. length of the slide and θ is the angle of elevation

Hence, h = 3 m

In the second case:

Height of slide, = 3 m, angle of elevation = 60°

Hence, h = 2 m

Therefore, the length of the slide in the first case and the second case are 3 m and 2respectively.

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