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anonymous

  • one year ago

A circular picture is 8 inches in diameter. Part A What is the area of the picture in square inches? A. 4π square inches B. 8π square inches C. 16π square inches D. 32π square inches Part B A frame that is 2 inches wide surrounds the picture. What is the total area of the picture and the frame in square inches? A. 4π square inches B. 12π square inches C. 36π square inches D. 40π square inches

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  1. anonymous
    • one year ago
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    @jim_thompson5910

  2. anonymous
    • one year ago
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    @jim_thompson5910

  3. anonymous
    • one year ago
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    i got 16 for the first one and 36 for the second.. is that right

  4. jtvatsim
    • one year ago
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    I'll do some checking on that. :)

  5. anonymous
    • one year ago
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    ok thank you

  6. jtvatsim
    • one year ago
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    Alright, assuming you mean 16 pi square inches for part A, yes that is correct. (Trick is diameter = 8 inches, so radius is half of that). For the next part...

  7. anonymous
    • one year ago
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    for the second i got 36 pi

  8. jtvatsim
    • one year ago
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    And, looks good on the second part. We know the radius of the picture is 4 inches, a 2 inch border gives us a total radius of 6 inches... squaring gives 36, so I'd say yes, you got it! Congrats!

  9. anonymous
    • one year ago
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    thanks :)

  10. jtvatsim
    • one year ago
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    no problem

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