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anonymous

  • one year ago

Please help..... =*(

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  1. anonymous
    • one year ago
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    |dw:1438618911654:dw|

  2. anonymous
    • one year ago
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    What is the area of the circle

  3. anonymous
    • one year ago
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    \[A=\pi r ^{2}\]

  4. anonymous
    • one year ago
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    radius is half of the length of the circle

  5. anonymous
    • one year ago
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    do you know the length of BD

  6. anonymous
    • one year ago
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    if you do, take half of that and that is the radius

  7. anonymous
    • one year ago
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    no i dont can u help?

  8. anonymous
    • one year ago
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    @triciaal

  9. anonymous
    • one year ago
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    what's 32?

  10. anonymous
    • one year ago
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    length os arch abc is 32?

  11. anonymous
    • one year ago
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    yea

  12. anonymous
    • one year ago
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    if lenght of ABC is 32, the circunference perimenter is 320 because 36° = 1/10 of 360° \[320 = 2.r.\pi\] \[r = \frac{160}{\pi}\]\[A=\pi(\frac {160}{\pi})^{2}\]

  13. anonymous
    • one year ago
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    \[A = \frac {25600} {\pi} \]

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spraguer (Moderator)
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