Greg is designing a clock face. using the center of the clock face as the origin, he keeps its diameter at 10 units. match the positions of the hours on the clock face to their corresponding coordinates. tiles 3 o'clock (0, -5) 6 o'clock (5, 0) 9 o'clock (0, 5) 12 o'clock (-5, 0) pairs arrowboth arrowboth arrowboth arrowboth