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19 October, 09:47

The numbers 20, 21, 29 form a Pythagorean triple. Which are other sets of numbers a Pythagorean triple?

21, 22, 30

40, 42, 58

60, 66, 87

70, 84, 116

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Answers (2)
  1. 19 October, 09:56
    0
    The answer is 40, 42 and 58

    40² + 42² = 58²
  2. 19 October, 10:08
    0
    An interesting propery of triplles is that if

    a²+b²=c²

    and a, b, c, is a tripple, then

    ax, bx, cx is also a tripple when x=x

    if we multiply 20,21,29 by 2 (mulitply all)

    we get

    40,42,58

    that is 2nd option

    answer is 2nd
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