Answer: I tried to help but i just got confused
Sorrry I didnt know the answer
Answer:
7
Step-by-step explanation:
1.8
85m
Perimeter of a rectangle = 2(l+b)
b=72m, l=?
perimeter =314m
314=2(l+72)
314/2= l+72
157=l+72
l=157-72
l=85m