Find a path that traces the circle in the plane y = -3 with radius r = 3 and center (0, -3, 4) with constant speed 6. r(s) = ( r(t) = (-4.5, -7.5, -4.5) + t (1,3,3) r(t) = (-3, -3, 10.5) + t (0, 0, -3) Find the point of intersection, P, of the lines I'1 P= and 12.