Show that the points `(5, 5 ), (6, 4 ), (-2, 4) and (7, 1 )` are concyclic, i.e., all lie on the same circle. Find the equation, centre and radius of this circle.

Show that the point (5,5),(6,4),(-2,4) and (7,1) are concylic.Hence find centre and radius of this circle.

Show that the points A(1, 0), B(2, -7), C(8, 1) and D(9,-6) all lie on the same circle. Find the equation of this circle, its centre and radius.

Show that the points A(1, 0), B(2, -7), C(8, 1) and D(9,-6) all lie on the same circle. Find the equation of this circle, its centre and radius.

Show that the points (5, 5), (6, 4), (-2, 4) and (7, 1) , all lie on a circle. Find its equation, centre and radius.

Show that the points (5, 5),(6, 4),(- 2, 4) and (7, 1) all lie on a circle. Find its equation, centre and radius.

Show that the points A(5,5), B(6,4), C(-2,4) and D(7,1) all lies on the circle. Find the centre, radius and equation of circle.

Prove that the points (1,- 6), (5, 2), (7, 0) and (- 1,-4) are concyclic. Find the radius of the circle.

Show that the points (9, 1), (7, 9), (-2, 12), (6, 10) are concyclic and find the equation of the circle on which they lie.

Show that the points (2, 0), (5, -3), (2, -6) and (-1, -3) are concyclic, find the equation of the circle on which the points lie and the coordinates of the centre of the circle.

Prove that the points (1,-6), (5,2) , (7,0) and (-1,-4) are concyclic. Find the radius of the circle .