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mckenzieandjesus

  • one year ago

What is the length of AC? 11 10 4 7

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  1. mckenzieandjesus
    • one year ago
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  2. mckenzieandjesus
    • one year ago
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    @jim_thompson5910

  3. jim_thompson5910
    • one year ago
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    have a look at this page http://www.regentsprep.org/Regents/math/geometry/GP14/CircleSegments.htm

  4. anonymous
    • one year ago
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    AB is 10 you do the outer segemnt times the inner segment of each one and they equal each other

  5. mckenzieandjesus
    • one year ago
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    Ok

  6. mckenzieandjesus
    • one year ago
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    Okay how did u figure out what the outer and inner segment was?

  7. anonymous
    • one year ago
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    it says some of them and you figure out the rest from this bc x ab = cd x de and plug in the values thatyou have and solve the rest algebraically

  8. mckenzieandjesus
    • one year ago
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    ohh ok

  9. anonymous
    • one year ago
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    np :)

  10. jim_thompson5910
    • one year ago
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    |dw:1435618186333:dw|

  11. jim_thompson5910
    • one year ago
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    according to theorem 2 on that page, we can say RP*RQ = RS*RT

  12. mckenzieandjesus
    • one year ago
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    ok

  13. anonymous
    • one year ago
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    ohyeah sorry hes rightsorry imade a mistake usethe wrong theorem:(

  14. mckenzieandjesus
    • one year ago
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    so CA*CB =CE*CD

  15. jim_thompson5910
    • one year ago
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    correct

  16. mckenzieandjesus
    • one year ago
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    how do i find those ?

  17. jim_thompson5910
    • one year ago
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    AC = CA BC = CB etc etc the order of the two letters doesn't matter. It's the same segment

  18. jim_thompson5910
    • one year ago
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    plug in the given and solve for AC

  19. mckenzieandjesus
    • one year ago
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    how do i solve for AC now ?

  20. mckenzieandjesus
    • one year ago
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    AC=CA 6=6

  21. jim_thompson5910
    • one year ago
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    CA*CB =CE*CD CA*6 =12*5 solve for CA

  22. mckenzieandjesus
    • one year ago
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    CA*6=60

  23. jim_thompson5910
    • one year ago
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    yes

  24. jim_thompson5910
    • one year ago
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    isolate CA

  25. mckenzieandjesus
    • one year ago
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    do i times it to isolate it?

  26. jim_thompson5910
    • one year ago
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    something times 6 = 60 find that "something"

  27. jim_thompson5910
    • one year ago
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    undo the multiplication if you aren't sure what that "something" is

  28. mckenzieandjesus
    • one year ago
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    6*10=60

  29. jim_thompson5910
    • one year ago
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    yes so CA or AC is 10

  30. mckenzieandjesus
    • one year ago
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    ok thanku!

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