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anonymous

  • one year ago

A Ferris wheel car moves from point C to point D on the circle shown below: Circle A is shown with a central angle marked 38 degrees and the diameter marked 20 feet. What is the arc length the car traveled, to the nearest hundredth? 2.18 feet 4.31 feet 5.84 feet 6.63 feet

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  1. anonymous
    • one year ago
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    @peachpi

  2. alekos
    • one year ago
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    the formula to use is s=rθ where s is the arc length, r is the radius and θ is the angle in radians

  3. anonymous
    • one year ago
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    whaaaat? @alekos

  4. alekos
    • one year ago
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    just convert 38 degrees to radians and plug in the values

  5. alekos
    • one year ago
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    radius = 1/2 the diameter

  6. anonymous
    • one year ago
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    How do you convert 38 degrees into radians

  7. anonymous
    • one year ago
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    radius is 10

  8. alekos
    • one year ago
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    degrees to radians => multiply by π/180

  9. anonymous
    • one year ago
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    so 38* 3.14/180

  10. alekos
    • one year ago
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    yeah thats it

  11. anonymous
    • one year ago
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    6.62 ? as the final answer

  12. alekos
    • one year ago
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    yep

  13. anonymous
    • one year ago
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    Thank you! I gave fan and medal

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