The co-ordinates of the end points of a diameter are (-1, 5) and (3, -1). Find the co-ordinates of the centre and the radius of circle.

The co-ordinates of the end points of a diameter of a circle are (3, -2) and (-3, 6). Find the co-ordinates of the centre and radius.

The co-ordinates of the end points of a diameter of a circle are (3, -2) and (-3, 6). Find the co-ordinates of the centre and radius.

The co-ordinates of the end points of a diameter of a circle are (0,0) and (4,4). The equation of the circle is :

The co-ordinates of the end points of a diameter of a circle are (0,0) and (4,4). The equation of the circle is :

The co-ordinates of two points A and B are (-3, 4) and (2, -1). Find : the co-ordinates of the point where the line AB intersects the y-axis.

The co-ordinates of two opposit vertices of a rectangle are (7,8) and (1,3) . Find the co-ordinates of other two vertices.

If the co-ordinate of vertices of a triangle are (10, 4), (-4, 9) and (-2, -1). Find the the co-ordinate of its ortho centre.

The co-ordinates of the end points of the latus rectum of a parabola are (3,6) and (-5,6). The co-ordinates of its focus are :