Question

Find the length of the rectangle field whose perimeter is 90 meter and breath is 20 meter​

Answer 1

perimeter=90m

breadth=20 m

length=90/20m=4.5 m

Answer 2

Answer:

perimeter of a rectangle=2(l+b)

2(l+b)=90

l+b=45

l+20=45

l=25