Question 659881
perimeter of rectangle = 130cm
              2(l + b) = 130cm

according to question,
l = 4b

2(l + b) = 130cm
2(4b + b)= 130cm
     10b = 130cm
       b = 130/10
       b = 13cm

       l = 4b
       l = 4 * 13
       l = 52cm