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cdonnelly5

  • 3 years ago

A triangle has the following measurements. What is a possible length for the third side? AB = 4, BC = 17, CA = ? 18 5 10 12

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  1. surdawi
    • 3 years ago
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    18

  2. cdonnelly5
    • 3 years ago
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    can't it possible be 5 as well if 18 is possible ?

  3. lexiamee
    • 3 years ago
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    im pretty sure @surdawi is correct

  4. surdawi
    • 3 years ago
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    no a^2+b^2 =c^2 4^2 + 17^2 = 305; c = 17.5 if we assume that c is the 17 b^2 = c^2 - a^2 b^2 = 17^2 - 4^2 = 273 b = 16.5

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