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UmmmHELP

  • 3 years ago

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  1. UmmmHELP
    • 3 years ago
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    |dw:1358058014261:dw|

  2. UmmmHELP
    • 3 years ago
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    Find the values of a and b

  3. agent0smith
    • 3 years ago
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    I'm guessing the drawing should have a bit more info, like so: |dw:1358058101934:dw| ie the top is parallel with the bottom. Now, angle a + 42 = 180, and angle b + 108 = 180.

  4. UmmmHELP
    • 3 years ago
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    no I drew it like how it was shown... and okay

  5. wio
    • 3 years ago
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    I think @agent0smith is right, we need more info

  6. UmmmHELP
    • 3 years ago
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    wells thats exactly what it looks like, the way i draw it i swear

  7. agent0smith
    • 3 years ago
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    @UmmmHELP the way it is drawn, I don't think it's possible to find a and b - all you can say is that: \[a + b + 42 + 108 = 360\]But this isn't enough info to find a and b. Since you aren't given any side lengths. The drawing looks like it has parallel lines, so maybe you're meant to assume they're parallel.

  8. UmmmHELP
    • 3 years ago
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    I dont know cause Im looking at it now and it doesnt have the lines...so u really dont know sorry haha thats just all they gave me

  9. UmmmHELP
    • 3 years ago
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    I mean I really dont know sorry

  10. agent0smith
    • 3 years ago
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    Well if they aren't parallel lines, there's no way to find a and b, you only know that: \[a+b = 210\]and you can't solve this for a and b. Assume they're parallel and you can find them as i showed above.

  11. UmmmHELP
    • 3 years ago
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    okay

  12. agent0smith
    • 3 years ago
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    They look parallel in the drawing you gave, so you're probably safe to assume they are

  13. agent0smith
    • 3 years ago
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    Assuming they're parallel, do you know how to solve for a and b? \[ a + 42 = 180 \] \[b + 108 = 180 \]

  14. UmmmHELP
    • 3 years ago
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    sorry I wasnt even on the site for a while... Um I dont know..isnt it something with subtracting

  15. agent0smith
    • 3 years ago
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    Yes, in the first equation, you'd subtract 42 from both sides to find a. You can find b in a similar way.

  16. UmmmHELP
    • 3 years ago
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    subtract 180?

  17. UmmmHELP
    • 3 years ago
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    I got..thanks

  18. agent0smith
    • 3 years ago
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    To find b, you'd subtract 108 from both sides of the equation b + 108 = 180, but it sounds like you got it! :)

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