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gabbyalicorn

  • one year ago

A circular swimming pool has a diameter of 12 m. What is the approximate circumference of the swimming pool? Use π= 3.14. Express your final answer to the nearest hundredth.

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  1. gabbyalicorn
    • one year ago
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    I'm thinking 37.68. \[3.14 \]

  2. gabbyalicorn
    • one year ago
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    3.14 x 12

  3. gabbyalicorn
    • one year ago
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    @UsukiDoll @unknownunknown

  4. UsukiDoll
    • one year ago
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    C = 2pir? \[C = 2 \pi r \]

  5. UsukiDoll
    • one year ago
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    my head hurts too much thinking

  6. gabbyalicorn
    • one year ago
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    oh sorry

  7. gabbyalicorn
    • one year ago
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    what is the radius?

  8. gabbyalicorn
    • one year ago
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    @johnweldon1993

  9. johnweldon1993
    • one year ago
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    Remember \(\large Radius = \frac{1}{2}Diameter\)

  10. gabbyalicorn
    • one year ago
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    so 2 x 3.14 x 2?

  11. johnweldon1993
    • one year ago
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    But remember the equation? \[\large C = 2\pi r\] we can also write that as \[\large C = \pi d\] right? *2r = d* So you were right on the money before...12 times 3.14 = ?

  12. gabbyalicorn
    • one year ago
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    37.68

  13. gabbyalicorn
    • one year ago
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    :D okay, thanks!

  14. johnweldon1993
    • one year ago
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    Right :)

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