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16 December, 12:03

If pi is rounded to a whole number, what is a reasonable estimate for the circumference of a circle with a diameter of 18 cm?

50 cm

54 cm

56 cm

57 cm

+3
Answers (1)
  1. 16 December, 12:04
    0
    The answer is 54 cm. Remember that the formula for circumference is 3.14r^2
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