How to Calculate Radius from Circumference: Easy Steps

Learn how to find the radius from circumference using the formula and online calculators for quick results.

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To get the radius from a circumference calculator, input the circumference value and apply the formula: radius = circumference / (2 π). For example, if the circumference is 31.4 units, divide 31.4 by 6.28 (approx value of 2 π), giving you a radius of 5 units. Many online calculators automate this, making it easy to find the radius without manual calculations. Simply enter the circumference, and the tool provides the radius instantly.

FAQs & Answers

  1. What is the formula to find the radius from circumference? The formula is radius = circumference / (2π).
  2. Can I use an online calculator to find the radius? Yes, simply enter the circumference value in any online calculator to get the radius instantly.
  3. What is circumference in geometry? Circumference is the distance around a circle, calculated as 2πr where r is the radius.
  4. How do I calculate circumference from radius? You can calculate circumference using the formula: circumference = 2πr.

Watch More

For further exploration of geometry and its calculations, check out our videos on area and volume formulae, or discover more about the properties of circles.

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