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13 October, 14:26

A triangle has side lengths of 24in., 32in., and 40in. Is the triangle acute, obtuse, or right?

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Answers (2)
  1. 13 October, 16:43
    0
    The triangle is obtuse.
  2. 13 October, 18:22
    0
    We will use the Pythagorean theorem:

    40² = 1600

    24² = 576

    32² = 1024

    40² = 24² + 32²

    1600 = 576 + 1024

    1600 = 1600

    Also:

    24 : 32 : 40 = 3 : 4 : 5

    Answer: this is the right triangle.
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