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1961 AMC 12 Question 14

AMC12 · 1961 AMC 12

Question 14

A rhombus is given with one diagonal twice the length of the other diagonal. Express the side of the rhombus in terms of $K,$ where $K$ is the area of the rhombus in square inches.
  1. $\sqrt K$
  2. $\dfrac12\sqrt{2K}$
  3. $\dfrac13\sqrt{3K}$
  4. $\dfrac14\sqrt{4K}$
  5. none of these are correct