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Dallasb22 Group Title

In a circle of radius 10 cm, a sector has an area of 40(pi) sq. cm. What is the degree measure of the arc of the sector?

  • one year ago
  • one year ago

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  1. Freyes Group Title
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    pi r ^2 = 100 pi

    • one year ago
  2. Freyes Group Title
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    with r = 10

    • one year ago
  3. Freyes Group Title
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    so it's 40/100

    • one year ago
  4. Freyes Group Title
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    40/100 = x/360

    • one year ago
  5. Freyes Group Title
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    solve for x

    • one year ago
  6. Dallasb22 Group Title
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    1/4

    • one year ago
  7. Dallasb22 Group Title
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    oh ok.

    • one year ago
  8. Freyes Group Title
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    360 * 40

    • one year ago
  9. Freyes Group Title
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    then divide by 100 then you get your angle

    • one year ago
  10. Dallasb22 Group Title
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    144?

    • one year ago
  11. Freyes Group Title
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    mhm

    • one year ago
  12. Dallasb22 Group Title
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    1.44?

    • one year ago
  13. Freyes Group Title
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    you just take what you know.. put it in a formula and solve

    • one year ago
  14. Freyes Group Title
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    no 144

    • one year ago
  15. Freyes Group Title
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    360 times 40 = 14400

    • one year ago
  16. Freyes Group Title
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    then divide by 100

    • one year ago
  17. Dallasb22 Group Title
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    OH

    • one year ago
  18. Dallasb22 Group Title
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    Thank you again!

    • one year ago
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