A wire of length l is cut into two parts. One part is bent into a circle and the other into a square
Channel: Doubtnut
Date: 12/04/2020

A wire of length l is cut into two parts. One part is bent into a circle and the other into a square. Prove that the sum of the areas of the circle and the square is the least, if the radius of the circle is half of the side of the square.