How to Calculate the Circumference of a Circle with a 20-Foot Diameter

Learn how to find the circumference of a circle with a 20-foot diameter using the formula C = π * d.

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The circumference of a 20-foot diameter circle can be calculated using the formula C = π * d. Given the diameter (d) is 20 feet, the circumference (C) is approximately 62.83 feet (using π ≈ 3.14159).

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 'C' is the circumference and 'd' is the diameter.
  2. How do you calculate the circumference of a circle with a diameter of 10 feet? To calculate the circumference of a circle with a 10-foot diameter, use the formula C = π * d, which gives approximately 31.42 feet.
  3. What is the circumference of a circle with a radius of 10 feet? The circumference of a circle with a 10-foot radius is calculated using the formula C = 2 * π * r, resulting in approximately 62.83 feet.