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2017 AMC 12B Question 24

AMC12 · 2017 AMC 12B

Question 24

Quadrilateral $ABCD$ has right angles at $B$ and $C,$ $\triangle ABC \sim \triangle BCD,$ and $AB \gt BC.$ There is a point $E$ in the interior of $ABCD$ such that $\triangle ABC \sim \triangle CEB$ and the area of $\triangle AED$ is $17$ times the area of $\triangle CEB.$ What is $\dfrac{AB}{BC}?$
  1. $1 + \sqrt{2}$
  2. $2 + \sqrt{2}$
  3. $\sqrt{17}$
  4. $2 + \sqrt{5}$
  5. $1 + 2\sqrt{3}$