Secure a sharp pencil in the clamp of a compass so the point of the compass and the point of the pencil are level when the compass is closed.
2. adjust the angle of the arms so that they span the full desired  radius
3.put the sharp end of a compass down firmly wherever you want the middle  of your circle to be . put the pencil point gently down on the paper . keep the compass upright and hold the compass  at the top. turn the compass so that the the pencil  draws a circle