Question

Perimeter - 100 m, b = 5 m, l = ?​

Answer 1

Answer:

perimeter of rectangle= l×b

100 = l × 5

100/5= l

20 = length

and length is 20

Answer 2

2(l+b) =100

putting value

2(l+5) =100

2l+10 =100

2l=100-10

2l=90

l=90÷2

l=45m