4.b.2 - 2015 Q11
11) Fig. 11 shows a sketch of the circle with equation (x-10)2 + (y-2)2 = 125 and centre C. The points A, B, D and E are the intersections of the circle with the axes.
i) Write down the radius of the circle and the coordinates of C. (2)
ii) Verify that B is the point (21, 0) and find the coordinates of A, D and E. (4)
iii) Find the equation of the perpendicular bisector of BE and verify that this line passes through C. (6)
i) Write down the radius of the circle and the coordinates of C. (2)
ii) Verify that B is the point (21, 0) and find the coordinates of A, D and E. (4)
iii) Find the equation of the perpendicular bisector of BE and verify that this line passes through C. (6)