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anonymous

  • 5 years ago

Find the indicated measure: Radius, A=84ft^2

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  1. anonymous
    • 5 years ago
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    Are you sure there isn't a \[\pi\] in your answer?

  2. anonymous
    • 5 years ago
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    im suppose to find the radius. the area = 84ft^2

  3. anonymous
    • 5 years ago
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    What class are you in? This comes out to be a very strange number so I am wondering what type of answer you are looking for.

  4. anonymous
    • 5 years ago
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    Geometry

  5. anonymous
    • 5 years ago
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    Well.. if you are sure that all it says is Area = 84ft^2 and you are to find the radius. The formula is A = "pi"r^2. (sorry, I don't know how to get the pi symbol). So 84 = "pi"r^2.. so in a calculator take 84/"pi" if you have the "pi" key or maybe your teacher wants you to use 3.14 for pi. If so take 84/3.14 The idea is to get r^2 by itself so you divide by "pi". Then you get about 26.73 So 26.73 = r^2. The way you get r by itself is to square root both sides. If you do you get about 5.17 feet for the raidus

  6. anonymous
    • 5 years ago
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    ok thank u

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