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1970 AMC 12 Question 2

AMC12 · 1970 AMC 12

Question 2

A square and a circle have equal perimeters. The ratio of the area of the circle to the area of the square is:
  1. $\frac{4}{\pi}$
  2. $\frac{\pi}{\sqrt2}$
  3. $\frac{4}{1}$
  4. $\frac{\sqrt2}{\pi}$
  5. $\frac{\pi}{4}$