Find the diameter and the radius of a circle with a circumference of 465 cm. Give the answer to the nearest centimetre. Use π = 3۰142 or the π button on a calculator. Image caption, ...

The radius can be used to calculate a circle's diameter, area and circumference. Likewise, a sphere's volume is calculated from the radiu. Chron Logo Hearst Newspapers Logo.

HOCKEY PUCK MATH: For Radius, Diameter, Area, Circumference, and Volume. ... Allen R. Angel discusses the formula for area and circumference, which you can use to measure a hockey puck (144).