Question

the perimeter of a rectangle is 13 cm and it's width is 2 3/4 cm.Find it's length​

Answer 1

perimeter of rectangle = 2(L+B)

where

length = L

breadth= B = 23/4cm

according to question

2(23/4 + L)= 13

L = 13/2 - 23/4

L = 3/4 cm

Answer 2

Length = 3/4 cm

Hope this will help you.