In the diagram below, a circle with centre O is given with diameter AB. The coordinates of A and B are (4 ; 4) and (2 ; -6) respectively. ya A(4; 4) B(2; -6)
a) Determine the coordinates of O, the centre of the circle.
b) Calculate the length of the radius of the circle.
c) Write down the equation of the circle in form:
d) Write down the equation of the circle in form: