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29 February, 23:55

What is the length of the hypotenuse, x, if (20, 21, x) is a Pythagorean triple?

22

29

41

42

+5
Answers (2)
  1. 1 March, 01:52
    0
    I can confirm that, B, 29, is without a doubt, the correct answer.
  2. 1 March, 01:59
    0
    a² + b² = c²

    20² + 21² = c²

    400 + 441 = c²

    c² = 841

    c = √841

    c = 29
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