if we have to find the side of rectangle and square and the perimeter is given then which formula we have to apply for finding the sides Share with your friends Share 1 Neha Sethi answered this Dear student For Perimeter of rectangle=2l+b where l=length,b=breadth(Equate it to the value of perimeter given in the question to find side .)and perimeter of square=4×s where s is the side of square(Equate it to the value of perimeter given in the question to find side .) Regards -1 View Full Answer Mariya Zahra Anis answered this i need it urgently 1 Janvi Panchal answered this of 0 Abhishek Shahi answered this Just divide it by two or the number of sides 0