Find the radius of the sphere through the points `(0,5,0),(4,3,0),(4,0,3) and (0,4,3)`

The radius of the circle passing through the points (0,0),(0,3),(4,0) is

Find the slope of the line through the points: (0, 9) and (-3, 0)

Find the equation of the sphere passing through the points (3,0,0), (0,-1,0), (0,0,-2) and whose centre lie on plane 3x +2y+4z = 1

Find the equation of the circle through the points (0,0), (2,0) and (0,4). Also find the coordinates of its centre and its radius.

Find the equation of the plane passing through the points (0,-1,-1), (4,5,1) and (3,9,4). Also find the vector equation of the plane.

Find the radius and centre of the circle passing through the points (2,0), (6, 0) and (4, 2) .

Find the equation of the sphere which is passing through the points (0, 0, 0), (0, 1, -1), (-1, 2, 0) and (1, 2, 3).

Find the area of the triangle with vertices at the points: (0, 0), (6, 0) and (4, 3)

Find the coordinates of the point where the line through the points (3, – 4, – 5) and (2, – 3, 1), crosses the plane determined by the points (1, 2, 3), (4, 2, – 3) and (0, 4, 3).

Find the Cartesian equation of the plane passing through the points A\ (0,0,0) and b(3,-1,2) and parallel to the line (x-4)/1=(y+3)/(-4)=(z+1)/7