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Brandon Lam

  • 3 years ago

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

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

  2. Brandon Lam
    • 3 years ago
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    yes

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

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

  5. amistre64
    • 3 years ago
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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...

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