Question

find length and breadth of the rectangle

Answer 1

perimeter of rectangle=2(l+b)
=2(5x+4+x-4)=72m
=2(5x+x+4-4)=72m
=2(6x+0)=72m
=12x=72m
=x=72/12m
=x=6m
length=5x+4=5×6+6
=30+6
=36m
breadth=x-4
6-4
2m