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anonymous

  • 5 years ago

Find the length of a side of a square with an are of 225 square units

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  1. anonymous
    • 5 years ago
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    just take the square root ...

  2. anonymous
    • 5 years ago
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    15 ^^

  3. anonymous
    • 5 years ago
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    And how did you find that? Sorry for some reason square root doesnt click in my head

  4. anonymous
    • 5 years ago
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    the area of any rectangle is the product of it's sides (A = a * b). A square is a rectangle, where all 4 sides are the same (so a = b). That means, the area of a square is A = a * a = a^2 So you got \[A = a^2 = 225\] \[a = \sqrt{225}\] \[a = 15\]

  5. anonymous
    • 5 years ago
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    well couldn't have explained it better

  6. anonymous
    • 5 years ago
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    Oh my gosh! That totally makes sense now! Thank you MuH4hA!

  7. anonymous
    • 5 years ago
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    no problem ;) thanks Neasd for the compliment :)

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