A square plate of edge d and a circular disc of diameter d are placed touching each other at the midpoint of an edge of the plate as shown in figure. Locate the centre of mass of the combination assuming same mass per unit area for the two plates.

Options

A. `(2d)/(2+pi)` left to the center of the disc.
B. `(2d)/(2+pi)` right to the center of the disc
C. `(4d)/(4+pi)` right to the center of the disc
D. `(4d)/(4+pi)` left to the center of the disc

Answer

C