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katherinekc Group Title

Convert the radian measure to degree measure. Use the value of π found on a calculator and round answers to two decimal places. 9pi/4

  • one year ago
  • one year ago

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  1. Schrodinger Group Title
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    Just curious, do you have your unit circle values for radians memorized, e.g. pi/6, pi/4, pi/3?

    • one year ago
  2. katherinekc Group Title
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    not yet.. im working on it

    • one year ago
  3. irkiz Group Title
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    are you using a scientific calculator?

    • one year ago
  4. irkiz Group Title
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    type in 9pi/4 in radian mode. press 2nd function press the (change degree mode) button till it goes to degree and the conversion is done

    • one year ago
  5. katherinekc Group Title
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    these are the answer choices.. A. 200π° B. 405° C. 160° D. 324°

    • one year ago
  6. Schrodinger Group Title
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    No problem. Okay, so let's put the value 9pi/4 into a whole number based on that. So, if 8pi/4 is equal to 2pi, 9pi/4 must be equal to 2pi plus pi/4, right?

    • one year ago
  7. katherinekc Group Title
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    Yes

    • one year ago
  8. Schrodinger Group Title
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    2pi is equal to 360 degrees, and pi/4 is equal to how many degrees, if pi is the angle of a semicircle, or 180 degrees?

    • one year ago
  9. katherinekc Group Title
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    would it be 160 then

    • one year ago
  10. katherinekc Group Title
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    ?

    • one year ago
  11. Schrodinger Group Title
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    Back, sorry. Sorry, but I don't believe so. If you divide 180/4, (because pi is 180), what do you get?

    • one year ago
  12. katherinekc Group Title
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    45

    • one year ago
  13. Schrodinger Group Title
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    Yup. So, adding together 2pi and pi/4, what would be your sum in degrees?

    • one year ago
  14. katherinekc Group Title
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    hm..im not sure if it did it right..

    • one year ago
  15. katherinekc Group Title
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    let me see.. hmm

    • one year ago
  16. katherinekc Group Title
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    im kinda comfusing myself..

    • one year ago
  17. katherinekc Group Title
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    is it 405?

    • one year ago
  18. Schrodinger Group Title
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    Back. Yeah, exactly.

    • one year ago
  19. katherinekc Group Title
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    okay, now i get it!! i know the steps..thank you!!

    • one year ago
  20. Schrodinger Group Title
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    you could also do the same as others were saying by using your calculator to converts, but it's good to know how to do it with radians because of their usefulness later on. Just to make sure, do you know how to do it on a calculator, like those dudes were saying?

    • one year ago
  21. katherinekc Group Title
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    kinda.. im alil slow on it but i kinda understand

    • one year ago
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