How Do You Find the Radius of a Circle if You Know the Circumference?

How Do You Find the Radius of a Circle if You Know the Circumference?

Note:

Want to find the radius of a circle? Already have the circumference? Then you can use the formula for the circumference of a circle to solve! This tutorial shows you how to use that formula and the given value for the circumference to find the radius. Take a look!

Keywords:

  • circumference
  • solve for radius
  • unknown radius
  • circle
  • isolate r

Background Tutorials

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  • Circumference

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Further Exploration