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anonymous

  • 5 years ago

An angle whose supplement is 3 times the measure of it supplement

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  1. anonymous
    • 5 years ago
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    you dont have a complete sentence

  2. anonymous
    • 5 years ago
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    \[180-\theta=3(180-\theta) \implies \theta=180 degrees\]

  3. anonymous
    • 5 years ago
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    the english is screwy

  4. anonymous
    • 5 years ago
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    i did what I understood ;)

  5. anonymous
    • 5 years ago
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    well that is how the question is wrote out for me?

  6. anonymous
    • 5 years ago
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    you got an absurd conclusion

  7. anonymous
    • 5 years ago
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    no , write it again and double check

  8. anonymous
    • 5 years ago
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    Find the measure of an angle whose supplement is 3 times the angle.

  9. anonymous
    • 5 years ago
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    Thats the question

  10. anonymous
    • 5 years ago
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    oops, the last word is complement, sorry its late

  11. anonymous
    • 5 years ago
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    x + y = 180, y = 3x

  12. anonymous
    • 5 years ago
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    \[180-\theta=3(90-\theta) \implies 2\theta=90 \implies \theta=45\]

  13. anonymous
    • 5 years ago
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    3x + x = 180 x = 45

  14. anonymous
    • 5 years ago
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    y = 135

  15. anonymous
    • 5 years ago
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    \[if \ \theta>90\ then\ 180-\theta=3(\theta-90) \implies \theta=112.5\ else\ \theta=45\]

  16. anonymous
    • 5 years ago
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    I'm not sure what ask but i think 2 way can solve frist: 180-x=3(90-x) or: 180=3(90-x) 180-x=270-3x 180=270-3x -x+3x=270-180 -270+180=-3x 2x = 90 -90 = -3x x= 90 -90/-3=x x=45 30 = x

  17. anonymous
    • 5 years ago
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    @Nancy Lam: you are assuming that x<90. What if x>90?

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