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Australian AMC 2014 - Senior Question 4

AMC AUSTRALIA · Australian AMC 2014 - Senior

Question 4

A circle has circumference $\pi$ units. What is its area, in square units?
  1. $\pi/4$
  2. $\pi/2$
  3. $\pi$
  4. $2\pi$
  5. $4\pi$