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sebastiangonzagonza

  • one year ago

hi can someone help me with geometry

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  1. anonymous
    • one year ago
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    your questions?

  2. sebastiangonzagonza
    • one year ago
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    It's a multi-part question

  3. sebastiangonzagonza
    • one year ago
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    A Ferris wheel is an amusement park ride comprised of a large wheel rotating on an axis. There are cars or compartments where people can sit or stand that are evenly spaced about the circumference of the circle. The wheel rotates slowly, taking passengers on a ride around the circumference of the circle. Please select one of the following famous Ferris wheels to research: Singapore Flyer London Eye Star of Nanchang You will need to find the diameter and number of compartments (or cars) for the one you chose in order to be able to complete the calculations section of the assignment. Once you have your information, move on to step 2.

  4. sebastiangonzagonza
    • one year ago
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    i selected the London Eye

  5. anonymous
    • one year ago
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    ok and?

  6. sebastiangonzagonza
    • one year ago
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    Complete the following tasks and calculations. You must show all work and steps to receive full credit. Name of the Ferris wheel Diameter of the wheel (in meters) Number of cars or compartments Circumference of the wheel (in meters) Area of the wheel (in meters) Measure of a central angle in degrees Measure of a central angle in radians Arc length between two cars or compartments Area of a sector between two cars or compartments

  7. sebastiangonzagonza
    • one year ago
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    i just need help walking through it

  8. sebastiangonzagonza
    • one year ago
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    so obviously #1 would be The London Eye lol

  9. anonymous
    • one year ago
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    you need the help from wikipedia

  10. sebastiangonzagonza
    • one year ago
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    okay

  11. anonymous
    • one year ago
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    they have the dimensions and all the details

  12. sebastiangonzagonza
    • one year ago
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    okay thank you

  13. anonymous
    • one year ago
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    yw

  14. sebastiangonzagonza
    • one year ago
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    @Hero Hi. can you please help me. Wikipedia doesnt have this information and i need a bit more help

  15. anonymous
    • one year ago
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    i can help you if you choose singapore flyer...the diameter is 150m

  16. sebastiangonzagonza
    • one year ago
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    okay

  17. sebastiangonzagonza
    • one year ago
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    but i do want to be walked through it

  18. anonymous
    • one year ago
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    ok

  19. anonymous
    • one year ago
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    theres 28 compartments

  20. sebastiangonzagonza
    • one year ago
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    i was about to say that lol

  21. anonymous
    • one year ago
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    i live in singapore btw. lol

  22. sebastiangonzagonza
    • one year ago
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    really??? thats so cool!! i live in florida

  23. anonymous
    • one year ago
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    cost SGD30 a ride there

  24. sebastiangonzagonza
    • one year ago
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    wow 20 us dollars

  25. anonymous
    • one year ago
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    now we got the first 3 problems out

  26. sebastiangonzagonza
    • one year ago
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    now i have to find the circumference of the wheel

  27. anonymous
    • one year ago
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    you know how to calculator that right?

  28. anonymous
    • one year ago
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    the rest of the questions are calculations

  29. sebastiangonzagonza
    • one year ago
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    not really

  30. sebastiangonzagonza
    • one year ago
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    should i do it?

  31. anonymous
    • one year ago
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    yea you should

  32. sebastiangonzagonza
    • one year ago
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    i mean how should i do it?

  33. anonymous
    • one year ago
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    circumference = diameter * pi

  34. sebastiangonzagonza
    • one year ago
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    okay hold on

  35. sebastiangonzagonza
    • one year ago
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    so is it 471??

  36. anonymous
    • one year ago
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    yes

  37. sebastiangonzagonza
    • one year ago
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    okay

  38. anonymous
    • one year ago
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    471.239

  39. anonymous
    • one year ago
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    try not to cut off too much of the decimals, it can affect your calculations later

  40. anonymous
    • one year ago
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    now we have Area of the wheel (in meters) Measure of a central angle in degrees Measure of a central angle in radians Arc length between two cars or compartments Area of a sector between two cars or compartments to do

  41. sebastiangonzagonza
    • one year ago
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    okay so how should i calculate the area?

  42. anonymous
    • one year ago
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    \[A=\pi r^2\]

  43. sebastiangonzagonza
    • one year ago
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    r is radius, correct??

  44. anonymous
    • one year ago
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    yup

  45. sebastiangonzagonza
    • one year ago
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    so r is c/2

  46. sebastiangonzagonza
    • one year ago
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    547370.9643537529??

  47. anonymous
    • one year ago
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    no

  48. anonymous
    • one year ago
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    radius is d/2

  49. sebastiangonzagonza
    • one year ago
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    OHH okay

  50. sebastiangonzagonza
    • one year ago
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    55460.25?

  51. anonymous
    • one year ago
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    |dw:1438968164365:dw|

  52. anonymous
    • one year ago
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    |dw:1438968220429:dw|

  53. anonymous
    • one year ago
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    no either

  54. anonymous
    • one year ago
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    square your radius then multiply by pi

  55. sebastiangonzagonza
    • one year ago
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    but the diameter is 150?

  56. anonymous
    • one year ago
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    radius is half of diameter

  57. anonymous
    • one year ago
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    Area = pi times radius squared

  58. sebastiangonzagonza
    • one year ago
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    okay so since the radius is half of the diameter it would be 75

  59. sebastiangonzagonza
    • one year ago
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    then mulitplied by itself it would be 5625

  60. sebastiangonzagonza
    • one year ago
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    so then 5625*3.14 is 17662.5

  61. anonymous
    • one year ago
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    correct

  62. anonymous
    • one year ago
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    now for the central angle, it probably is asking the angle between 2 cars

  63. sebastiangonzagonza
    • one year ago
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    okay so how should i calculate it?

  64. anonymous
    • one year ago
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    360 divide by 28 which is the number of cars

  65. sebastiangonzagonza
    • one year ago
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    12.8571

  66. anonymous
    • one year ago
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    yes

  67. anonymous
    • one year ago
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    now we have to convert that to radian

  68. anonymous
    • one year ago
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    use this formula\[\theta \times \frac{ \pi }{ 180 }\]

  69. sebastiangonzagonza
    • one year ago
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    what should i put in the calculator

  70. anonymous
    • one year ago
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    the angle in degree multiply by pi

  71. anonymous
    • one year ago
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    then divide by 180

  72. sebastiangonzagonza
    • one year ago
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    0.22428

  73. anonymous
    • one year ago
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    i have 0.224399 but it doesnt matter much

  74. sebastiangonzagonza
    • one year ago
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    Okay

  75. anonymous
    • one year ago
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    the unit for this is rad

  76. sebastiangonzagonza
    • one year ago
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    so was that for number 6 or 7

  77. anonymous
    • one year ago
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    Measure of a central angle in radians

  78. sebastiangonzagonza
    • one year ago
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    oh what was the one in degrees?

  79. anonymous
    • one year ago
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    12.8571

  80. sebastiangonzagonza
    • one year ago
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    so now the arc length between two cars or compartments

  81. anonymous
    • one year ago
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    mutliply the 0.22 something rad with the radius

  82. sebastiangonzagonza
    • one year ago
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    okay

  83. sebastiangonzagonza
    • one year ago
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    0.04936778?

  84. anonymous
    • one year ago
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    how can it be that small

  85. sebastiangonzagonza
    • one year ago
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    im not sure

  86. anonymous
    • one year ago
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    0.224399*75

  87. sebastiangonzagonza
    • one year ago
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    16.829925

  88. anonymous
    • one year ago
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    ok thats correct

  89. anonymous
    • one year ago
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    now we have the last questions to deal with

  90. anonymous
    • one year ago
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    use this formula \[A= \frac{ 1 }{ 2 } \times (\theta - \sin \theta) \times r^2\]theta is your radian

  91. sebastiangonzagonza
    • one year ago
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    im not sure how to do this

  92. anonymous
    • one year ago
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    \[\frac{ 1 }{ 2 } \times (0.224399-0.222520) \times 75^2\]

  93. anonymous
    • one year ago
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    you need to change your calculator to radian mode to get sin theta

  94. sebastiangonzagonza
    • one year ago
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    5.2846875??

  95. anonymous
    • one year ago
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    yes

  96. anonymous
    • one year ago
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    oops wrong

  97. anonymous
    • one year ago
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    wrong formula loool

  98. anonymous
    • one year ago
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    \[\frac{ 1 }{ 2 } \times 0.224399 \times 75^2\]

  99. sebastiangonzagonza
    • one year ago
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    631.1221875?

  100. anonymous
    • one year ago
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    yes

  101. sebastiangonzagonza
    • one year ago
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    okay

  102. anonymous
    • one year ago
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    now we are done!

  103. sebastiangonzagonza
    • one year ago
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    thank you so much

  104. anonymous
    • one year ago
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    yw

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