How to Calculate the Circumference of a Circle with a 20 cm Diameter

Learn to calculate the circumference of a circle with a 20 cm diameter using the formula Circumference = π × Diameter.

56 views

To find the circumference of a circle with a diameter of 20 cm, use the formula: Circumference = π × Diameter. Therefore, Circumference = π × 20 cm ≈ 62.83 cm. This calculation helps you determine the distance around the circle.

FAQs & Answers

  1. What is the formula for circumference? The formula for the circumference of a circle is Circumference = π × Diameter.
  2. How do you find the diameter if you know the circumference? To find the diameter from the circumference, use the formula: Diameter = Circumference ÷ π.
  3. What does π represent in circumference calculation? π (pi) is a mathematical constant approximately equal to 3.14159, representing the ratio of a circle's circumference to its diameter.
  4. Why is circumference important in geometry? Circumference is important as it measures the total distance around a circle, which is essential in various fields including engineering and architecture.

Watch More

For more insights on circle measurements, check out our videos on radius and area of circles to enhance your understanding of geometry.

  1. How to Calculate the Area of a Circle with a Diameter of 20 cm Learn how to calculate the area of a circle with a diameter of 20 cm using the radius and the area formula.
  2. How to Calculate the Area of a Circle with a Diameter of 20 Learn to calculate the area of a circle with a diameter of 20 using the area formula and radius.
  3. 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.
  4. How to Calculate the Area of a Circle: Example with a 20-Diameter Circle Learn how to find the area of a circle with a 20 diameter using the formula for area calculation.
  5. How to Calculate Diameter from 22 cm Circumference Learn to calculate the diameter from a 22 cm circumference using a simple formula.
  6. How to Calculate the Area of a Circle: 20ft Diameter Example Learn how to find the area of a circle with a diameter of 20ft easily with our step-by-step guide.
  7. Calculate the Area of a 20ft Diameter Circle Easily Learn how to swiftly calculate the area of a 20ft diameter circle using a simple formula.
  8. 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.
  9. How to Calculate the Area of a Circle with a 22 cm Diameter Learn to calculate the area of a circle with a 22 cm diameter using the formula A = πr².
  10. How to Calculate the Area of a Circle with an 18 cm Diameter Discover the step-by-step method to find the area of an 18 cm diameter circle using the formula A = πr².
  11. How to Calculate the Diameter of a Circle: A Simple Guide Learn how to easily find the diameter of a circle using its radius with this step-by-step guide.
  12. How to Calculate the Circumference of a Circle from its Diameter Learn the simple formula to calculate the circumference of a circle using its diameter with clear examples.