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2018 AMC 10A Problem 13

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2018 AMC 10A Problem 13AMC 10 Step by Step
Name:                             Date: September 13, 2026
Transformations & Symmetry · difficulty 3 of 5 · about 4 min · position P11-15

A paper triangle with sides of lengths 3,4,3,4, and 55 inches, as shown, is folded so that point AA falls on point BB . What is the length in inches of the crease? figure

  1. A)

    1+1221+\frac12 \sqrt2

  2. B)

    3\sqrt3

  3. C)

    74\frac74

  4. D)

    158\frac{15}{8}

  5. E)

    22

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