If a circle has a diameter of 10, what is its circumference?

Practice Questions

Q1
If a circle has a diameter of 10, what is its circumference?
  1. 10π
  2. 20π
  3. 15π

Questions & Step-by-Step Solutions

If a circle has a diameter of 10, what is its circumference?
  • Step 1: Understand that the diameter of the circle is given as 10.
  • Step 2: Recall the formula for the circumference of a circle, which is C = πd, where d is the diameter.
  • Step 3: Substitute the diameter (10) into the formula: C = π(10).
  • Step 4: Simplify the expression: C = 10π.
  • Step 5: Conclude that the circumference of the circle is 10π.
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