Understanding Circumference: Is Circumference Really Pi Times Diameter?

Explore the relationship between circumference and diameter using pi with our concise Q&A video.

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Yes, the circumference of a circle is calculated using the formula C = πd, where π (pi) is approximately 3.14159 and d is the diameter of the circle. This relationship is fundamental in geometry and helps determine the distance around the perimeter of a circle based on its diameter.

FAQs & Answers

  1. What is the formula to calculate the circumference of a circle? The circumference of a circle is calculated using the formula C = πd, where π (pi) is approximately 3.14159.
  2. Why is the relationship between circumference and diameter important? This relationship is fundamental in geometry as it helps understand the properties of circles and is applicable in various real-world scenarios.
  3. What does pi represent in geometry? Pi (π) represents the ratio of the circumference of a circle to its diameter, a constant approximately equal to 3.14159.
  4. How can I calculate the diameter if I know the circumference? To find the diameter from the circumference, use the formula d = C/π.