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2008 AMC 10A Problem 20

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2008 AMC 10A Problem 20AMC 10 Step by Step
Name:                             Date: September 13, 2026
Similar & Congruent Triangles · difficulty 4 of 5 · about 5 min · position P16-20

Trapezoid ABCDABCD has bases AB‾\overline{AB} and CD‾\overline{CD} and diagonals intersecting at KK . Suppose that AB=9AB = 9 , DC=12DC = 12 , and the area of △AKD\triangle AKD is 2424 . What is the area of trapezoid ABCDABCD ?

  1. A)

    9292

  2. B)

    9494

  3. C)

    9696

  4. D)

    9898

  5. E)

    100100

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