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Dallasb22

  • 3 years ago

A bicycle wheel with radius 26" rotates through an arc that measures 80°. What is the length of the arc of the tire that touched the ground?

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  1. Freyes
    • 3 years ago
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    Find the circumference

  2. Dallasb22
    • 3 years ago
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    is this the same ?

  3. Freyes
    • 3 years ago
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    then multiply it by 80/360

  4. Freyes
    • 3 years ago
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    I told you how to do it now you should be able to do it

  5. Dallasb22
    • 3 years ago
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    104/9?

  6. Dallasb22
    • 3 years ago
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    or 11.5

  7. Freyes
    • 3 years ago
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    circumference is : \[\Pi2r = \Pi d\]

  8. Freyes
    • 3 years ago
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    \[52 \Pi\]

  9. Dallasb22
    • 3 years ago
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    Yes, i got that

  10. Freyes
    • 3 years ago
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    yeah but you forgot the pi

  11. Dallasb22
    • 3 years ago
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    And i did, 52pi*80/360

  12. Dallasb22
    • 3 years ago
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    Oh

  13. Freyes
    • 3 years ago
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    \[52 \Pi \times \frac{ 80 }{ 360 }\]

  14. Freyes
    • 3 years ago
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    see you know how to do it, just put the pi back in

  15. Freyes
    • 3 years ago
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    104/9 * pi

  16. Freyes
    • 3 years ago
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    that's it

  17. Dallasb22
    • 3 years ago
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    \[104\pi/9\]

  18. Dallasb22
    • 3 years ago
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    The pi times the whole set?

  19. Freyes
    • 3 years ago
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    thats the answer ^^

  20. Freyes
    • 3 years ago
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    the 104 pi / 9

  21. Dallasb22
    • 3 years ago
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    Okay, thank you AGAIN.

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