How to Calculate Diameter of a Circle: Essential Geometry Formula

Learn how to calculate the diameter of a circle with key geometry formulas using radius and circumference.

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To calculate the diameter of a circle, use the formula: Diameter = 2 × Radius. If you know the circumference, you can also calculate it using Diameter = Circumference / π (pi). This is essential for geometry and practical applications.

FAQs & Answers

  1. What is the formula for diameter in terms of circumference? The formula to calculate diameter using circumference is Diameter = Circumference / π (pi).
  2. What is the relationship between radius and diameter? The diameter is twice the radius, so Diameter = 2 × Radius.
  3. How can I find the radius if I know the diameter? To find the radius, divide the diameter by 2: Radius = Diameter / 2.
  4. Why is calculating the diameter important in geometry? Calculating the diameter is essential for understanding properties of circles and solving various geometry problems.

Watch More

For more insights on geometry, check out our videos on calculating circumference and other essential math formulas.

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