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Mel-O

  • one year ago

Find the length of a side of a square whose diagonal is 4 cm

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  1. amistre64
    • one year ago
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    what do we know about the properties of a square that would help us use the pythag thrm here?

  2. Taz666
    • one year ago
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    c^2 = a^2 * b^2 c=diagonal, a and b are the sides. But since this is a square, a and b are equal.

  3. Taz666
    • one year ago
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    Now do a little algebra...

  4. amistre64
    • one year ago
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    a^2 + b^2 that is :)

  5. phani09
    • one year ago
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    |dw:1359727230314:dw|

  6. Mel-O
    • one year ago
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    Thank you guys

  7. Taz666
    • one year ago
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    Sorry, typo *blushes*

  8. Mel-O
    • one year ago
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    would you take 4^2 +45^2

  9. Mel-O
    • one year ago
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    or 4^2 + 8^2

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