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1957 AMC 12 Question 7

AMC12 · 1957 AMC 12

Question 7

The area of a circle inscribed in an equilateral triangle is $48\pi.$ The perimeter of this triangle is:
  1. $72\sqrt3$
  2. $48\sqrt3$
  3. $36$
  4. $24$
  5. $72$