in the figure,the straight line L:3x+4y-24=0 cuts the x-axis at A and the y-axis at B,and C is a circle assing through O,A,B...P is a pt on the minor arc OA.Find
a)the coordinates of A,B
b)the eqt of the circle C
pic:http://i74.photobucket.com/albums/i279/fantasy001x/fa6d0322.jpg