How to Calculate the Circumference of a Circle with 63 cm Diameter

Learn how to find the circumference of a circle with a 63 cm diameter using the formula C = πD.

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The circumference of a circle is calculated using the formula C = π * D. For a circle with a diameter of 63 cm, the circumference is C = π * 63 cm. Using π ≈ 3.14159, the circumference is approximately 198.96 cm.

FAQs & Answers

  1. What is the formula for calculating the circumference of a circle? The formula for calculating the circumference of a circle is C = π * D, where D is the diameter.
  2. How do you calculate the diameter of a circle from its circumference? To find the diameter from the circumference, use the formula D = C / π.
  3. What is the approximate value of pi? The approximate value of pi (π) is 3.14159.
  4. Can circumference be calculated using radius? Yes, circumference can also be calculated using the radius with the formula C = 2 * π * r.

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