Question

A punching machine is used to create a circular hole of diameter 2 unit from a square sheet of aluminum of width 2 unit, as shown in the figure. The hole is punched such that the circular hole touches one corner P of the square sheet and the diameter of the hole originating at P is in line with a diagonal of the square.

The area of the sheet that remains after punching is


a. 10/7 sq.u
b. 22/7 sq.u
c. 5/7 sq.u
d. 9/7 sq.u

Answer 1

Answer is a. 10/7