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2001 AMC 10 Problem 24

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2001 AMC 10 Problem 24AMC 10 Step by Step
Name:                             Date: September 13, 2026
Triangles: Area & Pythagorean · difficulty 4 of 5 · about 4 min · position P21-25

In trapezoid ABCDABCD , AB‾\overline{AB} and CD‾\overline{CD} are perpendicular to AD‾\overline{AD} , with AB+CD=BCAB+CD=BC , AB<CDAB<CD , and AD=7AD=7 . What is AB⋅CDAB\cdot CD ?

  1. A)

    1212

  2. B)

    12.2512.25

  3. C)

    12.512.5

  4. D)

    12.7512.75

  5. E)

    1313

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