How to Calculate Radius from Circumference: Step-by-Step Guide

Learn how to find the radius from the circumference using a simple formula. Perfect for math students and enthusiasts!

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To find the radius if you only have the circumference, use the formula r = C / (2π), where C is the circumference and π is approximately 3.14159. For example, if your circumference is 31.4, the radius would be 31.4 / (2 * 3.14159) ≈ 5.

FAQs & Answers

  1. What is the formula for calculating radius? The formula to calculate the radius from the circumference is r = C / (2π), where C is the circumference.
  2. Can I calculate circumference if I only have the radius? Yes, you can find the circumference using the formula C = 2πr.
  3. What is the value of π (pi)? The value of π (pi) is approximately 3.14159.

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