Question

one side of square is increased by 5 and another decreased by 5 and the resulting shape is rectangle with perimeter of 30cm what is original side of sqare​

Answer 1

sy bro need points :(

Answer 2

Answer:

let side of square be x

sides of rectangle are x+5 and x-5

perimeter =2(x+5+x-5)=4x

4x=30

x=7.5cm