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IsabellaRenee94

Which measurement is a possible side length for a triangle with two sides measuring 9cm and 4cm? A) 5cm B) 6cm C) 3cm D)4cm Can someone explain how exactly to do this?

  • one year ago
  • one year ago

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  1. shiffts
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    Use the Pythagorean equation.

    • one year ago
  2. shiffts
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    A^2 + B^2 = C^2

    • one year ago
  3. shiffts
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    |dw:1339568076225:dw|

    • one year ago
  4. princeofwetlot
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    there is a rule for triangles...the sum of two sides must be greater than the third side A) 5...suppose i take 5 and 4 as two sides...this must be greater than 9..but it's not..therefore it's not 5 let's look at D) 4 4+4 is not greater than 9 either so that's not it continue with this logic...do you know the answer?

    • one year ago
  5. IsabellaRenee94
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    So it would be 6 ... Because 6+4=10 and 10 is greater than 9

    • one year ago
  6. princeofwetlot
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    you got it!

    • one year ago
  7. princeofwetlot
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    6 + 9 is also greater than 4 which further supports your answer

    • one year ago
  8. IsabellaRenee94
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    Awesome thanks :)

    • one year ago
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