Question

the perimeter of rectangle piece of paper 13 cm it if wibth easy 2.5 centimetre then find its length (in centimetres)​

Answer 1

Perimeter of a rectangle = 2(l+b)

13cm =2(l+b)

13cm =2(l+2.5)

13cm = 2* 2.5

13cm = 4.5

13cm = 4.5/13cm

2.8cm