Given :
Length of rink, L = 40 meters.
Width of rink , W = 20 meters.
To Find :
How many meters of handrail does Gus need to cover the perimeter of the rectangular skating rink.
Solution :
We know, perimeter is given by :
Putting value of L = 40 meters and W = 20 meters, in above equation , we get:
Therefore, the perimeter of the rectangular skating rink is 120 meters.
Hence, this is the required solution.