Circumference- 5th Period

The circumference of a circle is: Distance from the outside to the center. Distance from one side through the middle to the other side. Distance around the circle. What is the formula for circumference? C = (pi) d C = 2r C = (pi) r2 Link the correct radius to their diameter. d = 15 r = 7.5 d = 8 r = 4 r = 20 d = 40 d = 3.5 r = 1.75 r = 0.5 d = 1 Label the parts of the circle. Click on the blue dot and type in the correct label. You options are: radiusdiametercircumference Diameter Radius Circumference A mouse wheel was 10 inches in diameter. How far would the mouse run with one full rotation? Round your answer to the nearest tenth. 31.4 in. 314.2 in. 15.7 in. 78.5 in. From the center of the Frisbee to the outside was 6.5 inches. What is the circumference of the Frisbee? Round your answer to the nearest tenth. 20.4 inches 40.8 inches 10.2 inches Find the Circumference 64.7in 72.4in 22.8in 59.5in Find the circumference of a circle if the radius is 10m. 452.4m 37.7m 308.1m 62.8m Do you understand circumference?1. No2. Yes, but still have questions.3. Yes!