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2005 AMC 10B Problem 23

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2005 AMC 10B Problem 23AMC 10 Step by Step
Name:                             Date: September 13, 2026
Quadrilaterals & Polygon Areas · difficulty 4 of 5 · about 4 min · position P21-25

In trapezoid ABCDABCD we have AB‾\overline{AB} parallel to DC‾\overline{DC} , EE as the midpoint of BC‾\overline{BC} , and FF as the midpoint of DA‾\overline{DA} . The area of ABEFABEF is twice the area of FECDFECD . What is AB/DCAB/DC ?

  1. A)

    22

  2. B)

    33

  3. C)

    55

  4. D)

    66

  5. E)

    88

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