Answer:
50 m × 40 m.
Explanation:
Given dimensions of the gym is 5 cm from the top and 4 cm on the side
The given scale is 1 cm = 10 m
Now length of the gym = 5 cm
So actual length = 5 × 10 = 50 m
and width of the gym is 4 cm
then the actual width = 4 × 10 = 40 m
Therefore, actual dimension of the gym are 50 m × 40 m.