How to Calculate the Radius from the Diameter of a Circle

Learn the simple formula to convert diameter to radius and enhance your geometry skills.

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To calculate the radius from the diameter of a circle, simply divide the diameter by two. The formula is: radius = diameter / 2. For example, if the diameter is 10 units, the radius would be 5 units. It's a straightforward calculation useful in various geometric applications.

FAQs & Answers

  1. What is the formula to calculate radius from diameter? The formula is radius = diameter / 2.
  2. Why is the radius important in geometry? The radius is essential for calculating area and circumference, among other properties of circles.
  3. Can I find the diameter if I only have the radius? Yes, you can use the formula diameter = radius x 2.
  4. What are some applications of calculating radius? Calculating radius is useful in various fields such as architecture, engineering, and physics.

Watch More

For further exploration of geometric concepts, check out our videos on circumference and area of a circle, which build on these fundamental principles.

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