"A wire of length `a` is cut into two parts which are bent, respectively, in the form of a   square
Channel: Doubtnut
Date: 2020-06-28

"A wire of length `a`
 is cut into two parts which are bent, respectively, in the form of a
 
  square and a circle. The least value of the sum of the areas so formed is
 `(a^2)/(pi+4)`
  (b) `a/(pi+4)`
 
 `a/(4(pi+4))`
  (d) `(a^2)/(4(pi+4))`"