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anonymous

  • one year ago

A little help please? ;; (a) Describe the Relationship between the circumference and area of a circle. (b) Explain the difference between the circumference and area formulas.

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  1. dan815
    • one year ago
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    okay

  2. anonymous
    • one year ago
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    A. TT (often written pi) is a mathematical constant whose value is the ratio between circumference and diameter of any circle in a Euclidean space, is the same value as the ratio of area of a circle and square of its radius B area=pi(r^2) circumference=2*pi*r

  3. dan815
    • one year ago
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    circumference = 2*pi*r and the area = pi*r^2

  4. dan815
    • one year ago
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    if you knew the circumferece of a circle u can figure out the area

  5. anonymous
    • one year ago
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    yep I totally agree with dan815

  6. anonymous
    • one year ago
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    Well, yeah. They both use pi and the radius for A. 2piR and piR^2

  7. dan815
    • one year ago
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    oops forgot the 2^2 in there

  8. anonymous
    • one year ago
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    Lol

  9. anonymous
    • one year ago
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    B?

  10. dan815
    • one year ago
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    as r=circumference/2pi r=c/2pi for convenience so area = pi*(c/2pi)^2 =pi*c^2/(2pi)^2 =c^2/(4pi)

  11. anonymous
    • one year ago
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    yeah that is answer for b

  12. anonymous
    • one year ago
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    Jk

  13. anonymous
    • one year ago
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    B tho.

  14. anonymous
    • one year ago
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    I mean I know the difference just a bit hard to put it in words.

  15. dan815
    • one year ago
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    okay well to start with you know circumference is a lennght when area is length^2

  16. anonymous
    • one year ago
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    Yeah.

  17. anonymous
    • one year ago
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    By length you mean radius or diameter?

  18. anonymous
    • one year ago
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    ????

  19. dan815
    • one year ago
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    the units of measurement

  20. dan815
    • one year ago
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    it means circumference is measured in one dimention just length and the area is measured in 2 dimensions length and width kind of deal

  21. dan815
    • one year ago
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    when you say the area is like 50 cm^2 that means 50 of 1 cm by 1 cm squares fit in your area

  22. anonymous
    • one year ago
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    oh, yeah.

  23. dan815
    • one year ago
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    when you say 50 cm that means a line that is 50 cm long fit in it or 50 lines of 1 cm long together fit in it

  24. anonymous
    • one year ago
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    area is squared and c is a line

  25. dan815
    • one year ago
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    ya somethinhg like that

  26. anonymous
    • one year ago
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    but i dont think thats what theyre trying to ask.

  27. anonymous
    • one year ago
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    our teacher never really touched that, so I'm afraid I won't get it correct bc it's not the answer she wants.

  28. anonymous
    • one year ago
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    I think the answer she wants is about the actual formula for the 2.

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