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2015 AMC 10B Problem 22

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2015 AMC 10B Problem 22AMC 10 Step by Step
Name:                             Date: September 13, 2026
Angles & Polygons · difficulty 4 of 5 · about 8 min · position P21-25

In the figure shown below, ABCDEABCDE is a regular pentagon and AG=1AG=1 . What is FG+JH+CDFG+JH+CD ? figure

  1. A)

    33

  2. B)

    12−4512-4\sqrt5

  3. C)

    5+253\dfrac{5+2\sqrt5}{3}

  4. D)

    1+51+\sqrt5

  5. E)

    11+11510\dfrac{11+11\sqrt5}{10}

Working