If the perimeter and area of a circle are numerically equal then the radius of the circle is
Tick the correct answer in the following and justify your choice: If the perimeter and the area of a circle are numerically equal, then the radius of the circle is
(A) 2 units (B) π units (C) 4 units (D)7 units
If circumference and area of a circle are numerically equal, then the diameter of the circle is 4 units.