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anonymous

  • one year ago

FAN+MEDAL!! Quadrilateral OPQR is inscribed inside a circle as shown below. What is the measure of angle R? You must show all work and calculations to receive credit. Circle N is shown with an inscribed quadrilateral labeled OPQR. O is labeled 2x degrees. P is labeled y degrees. Q is labeled 2x plus 4 degrees. R is labeled 3y plus 8 degrees. Please help I don't umderstand..

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  1. anonymous
    • one year ago
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    anyone?

  2. anonymous
    • one year ago
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  3. anonymous
    • one year ago
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    anyone going to help me plz??

  4. Vocaloid
    • one year ago
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    opposite angles in an inscribed quadrilateral sum to 180 degrees, so... 2x + (2x + 4) = 180 (3y + 8) + y = 180 solve for x and y

  5. anonymous
    • one year ago
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    oh okay thank you, anything else after that??

  6. Vocaloid
    • one year ago
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    um, there's nothing more to tell you, all you need to do is solve the two equations

  7. anonymous
    • one year ago
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    k workin on it now

  8. Vocaloid
    • one year ago
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    well, actually, you can skip the first equation and just solve the second one

  9. Vocaloid
    • one year ago
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    (3y + 8) + y = 180 find y

  10. anonymous
    • one year ago
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    dang it

  11. anonymous
    • one year ago
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    y=43 is that right?

  12. Vocaloid
    • one year ago
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    yes, y = 43 now, the question wants the value of angle R, and angle R = 3y + 8, so R = ?

  13. anonymous
    • one year ago
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    k workin on it...

  14. anonymous
    • one year ago
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    how do u do it?? im having a total brain fart right now... hmm

  15. anonymous
    • one year ago
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    omg i feel so stupid

  16. Vocaloid
    • one year ago
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    y = 43 3y + 8 = 3(43) + 8 = ?

  17. anonymous
    • one year ago
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    oh!! okay thx

  18. anonymous
    • one year ago
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    it gives me 43 again..

  19. Vocaloid
    • one year ago
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    3(43) = ?

  20. anonymous
    • one year ago
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    129

  21. Vocaloid
    • one year ago
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    so 3(43) + 8 = ?

  22. anonymous
    • one year ago
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    137

  23. Vocaloid
    • one year ago
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    yup, there's our final answer

  24. anonymous
    • one year ago
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    thats it?? wow that was so much eaiser thn i thought

  25. anonymous
    • one year ago
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    thank you very much for helping me out! i really appreciate it!

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