void radlin (xpos, ypos, rad1, rad2, theta) CIRCLES.C Level 3
float xpos, ypos Coordinates of the center of the circle in scaled inches (or cm) from the lower-left corner of the upright page.
float rad1, rad2 The line is drawn from rad1 to rad2 in scaled inches (or cm).
float theta The line is drawn at the angle theta in radians.
radlin() is used to draw a piece of a radial line in a circle.