Answer:
Step-by-step explanation:
m=7
c=5
balance=26.802
The room is 19,5m long and 13m wide.
1cm -> 6,5m
3cm -> 19,5m
2cm -> 13m
±5√2/4
so if you do 9 divided by 60 and it will give you 0.15 and that is your answer