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anonymous

  • one year ago

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  1. anonymous
    • one year ago
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  2. anonymous
    • one year ago
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    help me find out how to solvve the arc length of CD

  3. kropot72
    • one year ago
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    First you need to find the circumference of the circle. Can you do that?

  4. anonymous
    • one year ago
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    62.83?

  5. anonymous
    • one year ago
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    C=2*pi*r right?

  6. kropot72
    • one year ago
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    Correct. Do you know how many degrees there are in a circle?

  7. anonymous
    • one year ago
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    360

  8. kropot72
    • one year ago
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    Correct again. So the arc length of CD is the circumference of the circle multiplied by 40/360.

  9. anonymous
    • one year ago
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    6.98?

  10. kropot72
    • one year ago
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    You are correct. However you must put the units of measurement.

  11. anonymous
    • one year ago
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    oh feet.

  12. anonymous
    • one year ago
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    Thank you M8!

  13. kropot72
    • one year ago
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    Correct. You're welcome :)

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spraguer (Moderator)
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