Circles Quiz
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Questions and Answers

If the diameter of a circle is 14 cm, what is its radius?

  • 7 cm (correct)
  • 21 cm
  • 3.5 cm
  • 14 cm

    • What is the formula to find the area of a circle?

  • A = πr² (correct)
  • A = πr
  • A = 1/2πr²
  • A = 2πr

    • What is the circumference of a circle with a radius of 10 cm?

  • 20π cm
  • 40π cm (correct)
  • 5π cm
  • 10π cm

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