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calculusxy

  • one year ago

In the figure below, what is the value of n? (Figure will be drawn below...)

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  1. calculusxy
    • one year ago
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    |dw:1444583014363:dw|

  2. AlexandervonHumboldt2
    • one year ago
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    this is easy look: |dw:1444583117284:dw|

  3. AlexandervonHumboldt2
    • one year ago
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    |dw:1444583145845:dw|

  4. AlexandervonHumboldt2
    • one year ago
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    |dw:1444583284188:dw|

  5. calculusxy
    • one year ago
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    why did you do 180-80 = 100 ? how are they supplementary?

  6. AlexandervonHumboldt2
    • one year ago
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    they are suplementary because they are line angles. line angles in sum are 180.

  7. AlexandervonHumboldt2
    • one year ago
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    |dw:1444583394485:dw|

  8. calculusxy
    • one year ago
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    |dw:1444583439871:dw|

  9. AlexandervonHumboldt2
    • one year ago
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    noo i meant |dw:1444583512256:dw|

  10. calculusxy
    • one year ago
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    oh okay i got you now.. answer is 55?

  11. AlexandervonHumboldt2
    • one year ago
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    yeah

  12. calculusxy
    • one year ago
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    thank you!

  13. Nnesha
    • one year ago
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    there is another way remember vertical angles are equal

  14. Nnesha
    • one year ago
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    |dw:1444583714734:dw|

  15. calculusxy
    • one year ago
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    oh yeah .. ur right (as always)

  16. Nnesha
    • one year ago
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    |dw:1444583734300:dw| use the fact all triangles add up to 180 degree so find angle A 100+35 and then subtract from 180 you will get 45

  17. Nnesha
    • one year ago
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    |dw:1444583793615:dw| now again use the fact triangles add up to 180 \[\rm 45+80+n=180\]

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