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cbrusoe Group Title

Tiara bought a cylindrical shaped cake with a base area of 64 square inches. The image below is a top view of the cake. The shaded portion represents the chocolate flavored icing and the white square portion represents the vanilla flavored icing. Tiara cuts out a piece of cake with chocolate icing for herself and a piece of cake with vanilla icing for Meg, as shown below. http://go.flvs.net/courses/1/flvs_57_3641_12676/ppg/respondus/pool_Geom_3641_Seg_Two_Practice_Exam_01/image0384e9da061.jpg

  • 2 years ago
  • 2 years ago

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  1. cbrusoe Group Title
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    Assuming the icing only appears on top of the cake, about how much more icing did Meg get than Tiara? Use 3.14 for π. Answer 4.4 in2 6.8 in2 10.2 in2 12.2 in2

    • 2 years ago
  2. PaxPolaris Group Title
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    |dw:1337883577580:dw| Tiara gets the circle-segment ... Meg the triangle

    • 2 years ago
  3. cbrusoe Group Title
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    yes, i get that part. im kinda looking for a formula or equation i can use and plug numbers into to figure the answer out..

    • 2 years ago
  4. PaxPolaris Group Title
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    to find the area of the segment ... you do : area of the SECTOR minus area of TRIANGLE

    • 2 years ago
  5. PaxPolaris Group Title
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    first what's the area of the whole SECTOR being cut ?

    • 2 years ago
  6. PaxPolaris Group Title
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    \[= {90\over360} \times (area\ of\ Circle) \]|dw:1337884191361:dw|

    • 2 years ago
  7. PaxPolaris Group Title
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    for the area of triangle you may have to find radius (r)|dw:1337884518862:dw|

    • 2 years ago
  8. cbrusoe Group Title
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    gotchaaaaa sorry for the late reply everybody just started getting home so i had to stop for a min. but thanks!! =)

    • 2 years ago
  9. Blahh23 Group Title
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    @experimentX can u tell me what this guy means?

    • 2 years ago
  10. experimentX Group Title
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    Oh, |dw:1338915434107:dw|

    • 2 years ago
  11. experimentX Group Title
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    |dw:1338915485685:dw|

    • 2 years ago
  12. experimentX Group Title
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    Find the ares of one ... multiply it by 4

    • 2 years ago
  13. experimentX Group Title
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    Also |dw:1338915605808:dw|

    • 2 years ago
  14. experimentX Group Title
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    Find the areas for Meg and Tiara

    • 2 years ago
  15. Blahh23 Group Title
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    Oh gosh. I'm retarded. how would i find the areas .. what formula?

    • 2 years ago
  16. experimentX Group Title
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    You found the radius right?? Area of triangle = 1/2 x base x height <-- here base and height is both equal to radius

    • 2 years ago
  17. Blahh23 Group Title
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    the radius i found was 8 correct??

    • 2 years ago
  18. experimentX Group Title
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    area of Tiara's portion area of sector - area of triangle(Meg) area of sector = 90/ 360 * pi x r^2 = 64/4 = 16

    • 2 years ago
  19. experimentX Group Title
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    No ...

    • 2 years ago
  20. experimentX Group Title
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    pi x R^2 = 64, R = sqrt(64/pi)

    • 2 years ago
  21. Blahh23 Group Title
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    SO the radius i got by dividing g4 by pi and then square rooting it was 4.51

    • 2 years ago
  22. Blahh23 Group Title
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    64*

    • 2 years ago
  23. experimentX Group Title
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    yes ...

    • 2 years ago
  24. Blahh23 Group Title
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    the area of the triangle is 10.17?

    • 2 years ago
  25. Blahh23 Group Title
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    how do we find tiras ?? what formula ?..

    • 2 years ago
  26. experimentX Group Title
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    area of Tiara's portion = area of sector - area of triangle(Meg) area of sector = 90/ 360 * pi x r^2 = 64/4 = 16

    • 2 years ago
  27. Blahh23 Group Title
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    i have area of sector and of triangle. i just don't know about the tiara's portion because idk what formula to use.. the circumference of the circle? or of the arc?

    • 2 years ago
  28. Pac1f1cIslander Group Title
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    It's obviously pink

    • 2 years ago
  29. Nimwhitted Group Title
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    Wat.

    • 2 years ago
  30. DannyRomero19 Group Title
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    MATH IS GREAT

    • 2 years ago
  31. Nimwhitted Group Title
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    You are such a help.

    • 2 years ago
  32. Pac1f1cIslander Group Title
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    It actually might be purple...royal purple...

    • 2 years ago
  33. DannyRomero19 Group Title
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    TRUE TRUE

    • 2 years ago
  34. Nimwhitted Group Title
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    C'mon i really need this questionnn!

    • 2 years ago
  35. Pac1f1cIslander Group Title
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    I'm being serious!

    • 2 years ago
  36. Nimwhitted Group Title
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    trolololol

    • 2 years ago
  37. Pac1f1cIslander Group Title
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    Not trollin, I'm being serious, it's ROYAL PURPLE

    • 2 years ago
  38. Pac1f1cIslander Group Title
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    And plus that guy died! Have some respect!

    • 2 years ago
  39. DannyRomero19 Group Title
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    I LOVE ROLO

    • 2 years ago
  40. that1chick Group Title
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    http://openstudy.com/study#/updates/50316320e4b0aa95e34cbafd

    • 2 years ago
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