Question

The length of one side of a square is increased by 1 cm and that of the other side is reduced by 3 cm. The rectangle now formed has a perimeter of 64 cm. What is the length of the side of the original square?

Answer 1

17

Explanation:

let the side of square be x then length and breadth of rectangle will be x+1 and x-3

perimeter of rectangle=2(l+b)

64=2(x+1+x-3)

32=2x-2

x=17