From a circle of radius a, an isosceles right angled triangle with the hypotenuse as the diameter of circle is removed. The distance of the centre of gravity of the remaining portion from the centre of the circle is :

From a circle of radius a, an isosceles right angled triangle with the

1.	From a circle of radius a, an isosceles right angled triangle with the hypotenuse as the diameter of circle is removed. The distance of the centre of gravity of the remaining portion from the centre of the circle is :
Answer» `3(pi-1)a` `((pi-1)a)/(6)` `(a)/(3(pi-1))` `(a)/(3(pi+1))` ANSWER :C