Show that the points (9, -2), (-5, 12) and (-7, 10) lie on that circle whose centre is the point (1, 4)

Show that the points (4, 2), (7, 5) and (9, 7) are collinear.

If the points A(8, 6) and B(x, 10) lie on the circle whose centre is (4, 6) then find the value of x .

Show that the points (4,2) , (7,5) and (9,7) are collinear.

Show that the point :- (4, 2), (7, 5) and (9, 7) are collinear.

Show that the three points ( 4,2),(7,5) and (9,7) lie on a straight line .

Show that the points (3,2,2), (-1,4,2), (0,5,6), (2,1,2) lie on a sphere whose centre is (1,3,4). Find the also its 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.