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26 November, 07:42

Pythagorean theorem

a=? b=13 c=21

+5
Answers (2)
  1. 26 November, 07:47
    0
    A^2 + b^2 = c^2

    a^2 + 13^2 = 21^2

    a^2 + 169 = 441

    a^2 = 441 - 169

    a^2 = 272

    a = sqrt 272

    a = 16.492 rounds to 16.5
  2. 26 November, 07:48
    0
    A would equal 16.4924 or square root of 272
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