A 12 m long wire is cut into two pieces, one of which is bent into a circle and the other into a square enclosing the circle. What is the radius of the circle?
A) 12/π+4
B) 6/π+4
C) 3/π+4
D) 6/π+2√2
Answer: B) 6/π+4
Explanation:
As it is clear that 2r = a where a is the side of the square and