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2020 AMC 10A Problem 20

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2020 AMC 10A Problem 20AMC 10 Step by Step
Name:                             Date: September 13, 2026
Quadrilaterals & Polygon Areas · difficulty 4 of 5 · about 7 min · position P16-20

Quadrilateral ABCDABCD satisfies ∠ABC=∠ACD=90∘,AC=20,\angle ABC = \angle ACD = 90^{\circ}, AC=20, and CD=30.CD=30. Diagonals AC‾\overline{AC} and BD‾\overline{BD} intersect at point E,E, and AE=5.AE=5. What is the area of quadrilateral ABCD?ABCD?

  1. A)

    330330

  2. B)

    340340

  3. C)

    350350

  4. D)

    360360

  5. E)

    370370

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