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

A square hole is punched out of a circular lamina, the diagonal of the square being the radius of the circle. If 'a' be the diameter of the sircle, find the distance of centre of mass of the remainder from the centre of the circle.

From a uniform circular dis of radius R , a circular dis of radius R//6 and having centre at a distance R//2 from the centre of the disc is removed. Determine the centre of mass of remaining portion of the disc.

AD is a diameter of the circle and AB is a chord. If AD=30 cm and AB=24 cm then the distance of AB from the centre of the circle is….

A diameter of a circle is a chord that ..... the centre of the circle.