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Brandon Lam

A room appearing to be rectangular has one side of length 408 cm, a second wall of length 306 cm, and one diagonal across the floor of length 525 cm.Is the room really rectangular? Explain

  • 3 years ago
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  1. amistre64
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    I assume those are the measurements for a right triangle?

    • 3 years ago
  2. Brandon Lam
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    yes

    • 3 years ago
  3. amistre64
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    408^2 + 306^2 = 525^2 .... see if this is a true statement :)

    • 3 years ago
  4. amistre64
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    260100 = 275625 not equal, not square, not rectangle

    • 3 years ago
  5. amistre64
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    I could tell by the last digits.. 8^2 + 6^2 = 5^2 64 + 36 = 25 100 = 25... the last digits 0 and 5 are not the same, so it wont fly no matter how large the numbers are...

    • 3 years ago
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