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1953 AMC 12 Question 45

AMC12 · 1953 AMC 12

Question 45

The lengths of two line segments are $a$ units and $b$ units respectively. Then the correct relation between them is:
  1. $\dfrac{a+b}{2}\gt\sqrt{ab}$
  2. $\dfrac{a+b}{2}\lt\sqrt{ab}$
  3. $\dfrac{a+b}{2}=\sqrt{ab}$
  4. $\dfrac{a+b}{2}\le\sqrt{ab}$
  5. $\dfrac{a+b}{2}\ge\sqrt{ab}$