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anonymous

  • 5 years ago

Given a circle Q where m of arc XY: m of arc YZ: m of arc ZX = 5:6:7 how do I find the measure of angles?

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  1. anonymous
    • 5 years ago
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    m of arc XY = 100 degrees m of arc YZ = 120 degrees and m of arc ZX = 140 degrees

  2. anonymous
    • 5 years ago
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    m arc 1 is angle XQZ M angle 2 is angle YQZ m of angle 3 is angle WQZ ??? how do I answer this

  3. anonymous
    • 5 years ago
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    I also know the m of angle 4 is 30 degrees I need to find the measure of angle 5 which is angle XZQ

  4. anonymous
    • 5 years ago
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    Can someone draw this circle and help me? Please

  5. amistre64
    • 5 years ago
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    this one?

  6. anonymous
    • 5 years ago
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    yes please

  7. amistre64
    • 5 years ago
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    itll have to wait; might not be back on. the library is closing up and i have to find another wifi spot...

  8. anonymous
    • 5 years ago
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    ok boo thank you... I'll be here

  9. amistre64
    • 5 years ago
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  10. amistre64
    • 5 years ago
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    how do we modify this?

  11. anonymous
    • 5 years ago
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    thats good... now... ummm let me see

  12. anonymous
    • 5 years ago
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    you have it labeled correctly

  13. anonymous
    • 5 years ago
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    now, draw an internal line in the circle from Y to Z

  14. anonymous
    • 5 years ago
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    an internal line from Z to X. Q is the center point

  15. anonymous
    • 5 years ago
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    A line from Q to Z as well

  16. anonymous
    • 5 years ago
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    A line from Y to Q and a line from X to Q... kind forms a wierd triangle with a radius QZ

  17. anonymous
    • 5 years ago
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    between XY with Q as the center Angle XQY is angle 1, Angle YQZ is angle 2 and Angle ZQX is angle 3

  18. amistre64
    • 5 years ago
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  19. anonymous
    • 5 years ago
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    Angle 4 is the angle Y makes umm... Angle QYZ and angle 5 is XZQ same triangle as Angle 3

  20. amistre64
    • 5 years ago
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    you have a prnt scrn button :)

  21. anonymous
    • 5 years ago
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    Q is the center of the circle...

  22. anonymous
    • 5 years ago
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    yes

  23. amistre64
    • 5 years ago
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    that allows you to take a screen shot of whateves on the monitor; open up a pint program; and paste it in there and modify it :)

  24. amistre64
    • 5 years ago
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    paint program

  25. anonymous
    • 5 years ago
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    ok let me try this.. never did it before

  26. anonymous
    • 5 years ago
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    where is the paint program? I copied and pasted it into word. ??

  27. amistre64
    • 5 years ago
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    start; accessories; paint is usually the path to take

  28. amistre64
    • 5 years ago
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    start; programs; accessories; paint...

  29. anonymous
    • 5 years ago
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    found it one moment

  30. anonymous
    • 5 years ago
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    thats neat

  31. amistre64
    • 5 years ago
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    it is aint it lol

  32. anonymous
    • 5 years ago
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    ok how to I copy and paste it? It looks a little junky but ha first time user... Just as long as you get the point....

  33. amistre64
    • 5 years ago
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    save it to your desktop; then 'attach file' it to the post

  34. anonymous
    • 5 years ago
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    ok

  35. anonymous
    • 5 years ago
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  36. anonymous
    • 5 years ago
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    ha mybe I sould have made it bigger

  37. amistre64
    • 5 years ago
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    its good :)

  38. amistre64
    • 5 years ago
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    so whats the question tat goes with this :)

  39. anonymous
    • 5 years ago
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    This is inscribed angles and arcs, I have to find angle 1, 2 , and 3 and 5

  40. anonymous
    • 5 years ago
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    Ha thanks LOL

  41. anonymous
    • 5 years ago
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    Find the measures of those angles

  42. amistre64
    • 5 years ago
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    ang1 = arc.yx

  43. amistre64
    • 5 years ago
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    ang2 = arc.yz

  44. anonymous
    • 5 years ago
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    in the beginning of my problem Arc XY:arc YZ:Arc ZX = 5:6:7

  45. anonymous
    • 5 years ago
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    not sure why proportions are in this

  46. amistre64
    • 5 years ago
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    5 6 7 probably give you a unit measure but yeah, its added detail i think

  47. amistre64
    • 5 years ago
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    ang3 = arc.xz

  48. anonymous
    • 5 years ago
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    yes to angle 1 yes to angle 2

  49. anonymous
    • 5 years ago
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    yep to angle 3

  50. amistre64
    • 5 years ago
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    ang5 = (180-arc.xz)/2

  51. anonymous
    • 5 years ago
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    I know from the back of the book angle 4 is 30 degrees

  52. anonymous
    • 5 years ago
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    it was an odd number :(

  53. amistre64
    • 5 years ago
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    ang4 = (180 - arc.yz)/2 if you wanna check mymethod here

  54. amistre64
    • 5 years ago
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    ang5 = 20?

  55. amistre64
    • 5 years ago
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    180 - 140 = 40/2 = 20 right?

  56. anonymous
    • 5 years ago
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    ummm yes it looks like a smaller angle... I'm trying to see if angle 4 is working out... sorry ... slow motion over here... :)

  57. amistre64
    • 5 years ago
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    180-120 = 60/2 = 30

  58. anonymous
    • 5 years ago
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    where did 140 come from? and how did you know that?

  59. amistre64
    • 5 years ago
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    xy = 100; yz = 120; zx = 140 interior angles at center; 1 = 100; 2 = 120; 3 = 140

  60. anonymous
    • 5 years ago
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    yeah where did those come from... I know 360 is a circle but how did you know to divide those accordingly?

  61. amistre64
    • 5 years ago
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    all triangles from the center are isosoles; if youknow the inside angle the other two are (180-inside)/2 since they are equal angles

  62. amistre64
    • 5 years ago
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    the measure of the arc isnt a length, its a distance rotated; shich is why its in degrees

  63. anonymous
    • 5 years ago
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    k

  64. amistre64
    • 5 years ago
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    an arc length of 90 degrees mens they turned it 90 degrees lol

  65. amistre64
    • 5 years ago
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    once you know the interior central angles; the other angles are equal in size; and all triangles add up to 180 degrees inside them

  66. amistre64
    • 5 years ago
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    180-central angle = whats left over whats left over/2 is the only thing they an be lol

  67. anonymous
    • 5 years ago
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    hey angle 4 comes out right!!!! Oh wow this is complicated stuff!!!

  68. amistre64
    • 5 years ago
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    :)

  69. anonymous
    • 5 years ago
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    what about angle 1, 2 and 3?? is that all in here? LOL

  70. anonymous
    • 5 years ago
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    angle 1 would be 180 - xy/2?

  71. anonymous
    • 5 years ago
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    You are very smart!!!! and thank you for all you have taught me!!!!

  72. anonymous
    • 5 years ago
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    ha the paint too!!!

  73. amistre64
    • 5 years ago
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    ang1 = its arc length that it is in front of:) and youre welcome

  74. amistre64
    • 5 years ago
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    there are no lines to determine angles associated with ang1

  75. anonymous
    • 5 years ago
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    angle 1 comes out 40

  76. amistre64
    • 5 years ago
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    but if you did put a line ther; then yes, that would be how you find them

  77. amistre64
    • 5 years ago
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    yes; the complement angles to 1 would have been 40 :)

  78. anonymous
    • 5 years ago
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    ha oh boy.... its 100

  79. amistre64
    • 5 years ago
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    yes; ang1 is 100 :)

  80. anonymous
    • 5 years ago
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    Ok I should be good I understand, I think thats cause the angle is on the center... not in one of them triangles... right?

  81. anonymous
    • 5 years ago
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    Angle 1I'm talking about...

  82. anonymous
    • 5 years ago
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    Okay... I'll zip the lip!!! LOL thanks!

  83. amistre64
    • 5 years ago
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    right; center angle sweeps out an arc length of # degrees that arc length is

  84. amistre64
    • 5 years ago
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    if arc length = 120 degrees, then angle has to be 120 degrees

  85. anonymous
    • 5 years ago
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    completely makes sense!

  86. anonymous
    • 5 years ago
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    you are a rock star!!!

  87. amistre64
    • 5 years ago
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    :) thnx

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