Respuesta :

So,the length of rectangle is 24 cm

The breadth of rectangle is 18 cm

please see the attached picture for full solution

Hope it helps

Good luck on your assignment

Ver imagen TheAnimeGirl
you can use x present the length
the breadth is x-6
so,2(x+x-6)=84
you can solve x=20.5
the breadth is 14.5
length is 20.5