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2018 AMC 10B Question 22

AMC10 · 2018 AMC 10B

Question 22

Real numbers $x$ and $y$ are chosen independently and uniformly at random from the interval $[0, 1].$ Which of the following numbers is closest to the probability that $x,$ $y,$ and $1$ are the side lengths of an obtuse triangle?
  1. $0.21$
  2. $0.25$
  3. $0.29$
  4. $0.50$
  5. $0.79$