Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used. Match each circumference to the corresponding radius or diameter of the circle. (All circumferences are approximate.)
circumference: 23.236 unit
circumference: 13.188 units

circumference: 26.376 units
circumference: 29.83 units
circumference: 59.66 units
circumference: 34.54 units

diameter: 7.4 units
diameter: 11 units
radius: 9.5 units
radius: 4.2 units