How to Calculate a Missing Diameter Using Radius or Circumference

Learn quick formulas to find a missing diameter using radius or circumference in just a few steps.

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To find a missing diameter, use the formula: Diameter = 2 × Radius. If you have the circumference (C), use Diameter = C / π. These formulas allow you to quickly calculate the diameter if you know the radius or circumference respectively.

FAQs & Answers

  1. What formula is used to find the diameter? To find the diameter, use the formula: Diameter = 2 × Radius.
  2. How can I find the diameter if I have the circumference? You can find the diameter using the formula: Diameter = Circumference / π.
  3. Why is the diameter important in geometry? The diameter is essential for calculations involving circles, such as area and volume.
  4. What is the relationship between the diameter and radius? The diameter is twice the length of the radius, making it a crucial concept in circle geometry.