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2018 AMC 10B Problem 22

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2018 AMC 10B Problem 22AMC 10 Step by Step
Name:                             Date: September 13, 2026
Geometric Probability · difficulty 4 of 5 · about 5 min · position P21-25

Real numbers xx and yy are chosen independently and uniformly at random from the interval [0,1][0,1] . Which of the following numbers is closest to the probability that x,y,x,y, and 11 are the side lengths of an obtuse triangle?

  1. A)

    0.210.21

  2. B)

    0.250.25

  3. C)

    0.290.29

  4. D)

    0.500.50

  5. E)

    0.790.79

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