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2020 AMC 12A Question 18

AMC12 · 2020 AMC 12A

Question 18

Quadrilateral $ABCD$ satisfies $\angle ABC = \angle ACD = 90^\circ,$ $AC = 20,$ and $CD = 30.$ Diagonals $AC$ and $BD$ intersect at point $E,$ and $AE = 5.$ What is the area of quadrilateral $ABCD?$
  1. $330$
  2. $340$
  3. $350$
  4. $360$
  5. $370$