Question

The length of rectangle filed is 20m more than its breath if the perimeter of the field is 280m what is its length​

Answer 1

Answer:

80

Step-by-step explanation:

Perimeter=2(L+B)

280m=2(x+20+x)

2(x+20+x)=280m

(x+20+x)=140

2x+20=140

2x=140-20=120

b=x=60

l=x+20=80