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mvrc1996

  • 3 years ago

Find the area of ΔAOB

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  1. mvrc1996
    • 3 years ago
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    https://media.glynlyon.com/g_geo_2012/8/group103.gif

  2. mvrc1996
    • 3 years ago
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    @mathslover

  3. saifoo.khan
    • 3 years ago
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    \[\Large \text{area of sector} = \frac{\theta}{360} * \pi r^2\]

  4. mathslover
    • 3 years ago
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    ^

  5. mvrc1996
    • 3 years ago
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    60/360 ?

  6. mvrc1996
    • 3 years ago
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    right?

  7. mathslover
    • 3 years ago
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    Forgetting something there mvrc... pi r^2

  8. saifoo.khan
    • 3 years ago
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    ^

  9. mvrc1996
    • 3 years ago
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    I was just saying for the first part and then its \[\frac{ 60 }{ 360} \pi 6^2\]

  10. mvrc1996
    • 3 years ago
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    yeah?

  11. mvrc1996
    • 3 years ago
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    but idk exactly how to solve it when I get to 60/360 pi36

  12. saifoo.khan
    • 3 years ago
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    Use a calc?

  13. mvrc1996
    • 3 years ago
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    ik but then do I put 36 /1 and then multiply and divide?

  14. saifoo.khan
    • 3 years ago
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    Which calc do you have?

  15. saifoo.khan
    • 3 years ago
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    (60/360) * pi * (6)^2

  16. mvrc1996
    • 3 years ago
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    3√3un2 4.5√3un2 9√3un2 theses are the choices it gives me. and I just have a regular one on the pc

  17. mvrc1996
    • 3 years ago
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    hello?

  18. mvrc1996
    • 3 years ago
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    please help @saifoo.khan

  19. mvrc1996
    • 3 years ago
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    or @mathslover

  20. mathslover
    • 3 years ago
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    @mvrc1996 what is 'un' there in the options?

  21. mvrc1996
    • 3 years ago
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    maybe units

  22. mvrc1996
    • 3 years ago
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    idk

  23. mathslover
    • 3 years ago
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    The answer should be : \(6\pi \) but that is not given in the options. hmn

  24. mvrc1996
    • 3 years ago
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    maybe its just 1/6 because its just asking for that section

  25. mathslover
    • 3 years ago
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    Oh yeah we did a mistake @saifoo.khan

  26. mvrc1996
    • 3 years ago
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    https://media.glynlyon.com/g_geo_2012/8/group103bb.gif now its asking for the shaded area

  27. mathslover
    • 3 years ago
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    We found area of sector NOT the area of triangle. Area of triangle = Area of sector - Area of segmennt

  28. mvrc1996
    • 3 years ago
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    how do I find the area of the segment?

  29. mathslover
    • 3 years ago
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    I have to go mvrc .. it is 11:50 PM here.. sorry . THis will help u for sure : http://www.regentsprep.org/regents/math/geometry/GP14/CircleSectors.htm @hartnn @AravindG and @amistre64 - any of these can help u mvrc. Good luck

  30. mvrc1996
    • 3 years ago
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    thank you

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