Question

The length and breadth of a rectangle are in the ratio 3:2. If its area is 216 sq.cm ,then its perimeter is

Answer 1

Area of rectangle =l×b=216
=3x×2x=216
=6x=216
=x=216/6
X=36
So length =3×36=108cm
Breath=2×36=72cm
Now,perimeter of rectangle =2(l+b)
=2(108+72)
=2×180=360cm is UR ans