Answer:
480 cm of floor space and 12 stairs
Step-by-step explanation:
1 cm = .01 m
First calculate how many stairs you need in the Y dimension
3.6 m = 360 cm
360/30 = 12 stairs
since each stair is 40 cm deep -
12 x 40 = how long the floor needs to be
12 x 40 = 480
