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janessia

  • 2 years ago

In ABC, if m<A = 67° and m<B = 83°, what is m<C?

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  1. hartnn
    • 2 years ago
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    sum of angles in a triangle = 180 so 67+83+C=180 can u solve further?

  2. janessia
    • 2 years ago
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    isnt it supposed to be sqaured?

  3. eyust707
    • 2 years ago
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    No I think you are confusing this problem with the Pythagorean Theorem. The Pythagorean theorem is used to find a missing side length of a triangle. Here we are finding a missing angle

  4. econ
    • 2 years ago
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    And by the way the angles to a triangle no matter how you draw it MUST always add up to 180 degrees.

  5. janessia
    • 2 years ago
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    oh ohk lol yes im thinkin about P Theorem so how do i do this?

  6. econ
    • 2 years ago
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    @Janessia what exactly is your view on this question?

  7. janessia
    • 2 years ago
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    Choose one answer. a. 16 b. 150 c. 30 d. 210

  8. janessia
    • 2 years ago
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    those are the answers but i honestly dnt kno what i think i thought u had to do the PTheorem

  9. janessia
    • 2 years ago
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    what about the 30 60 90 thing or somthing like tht

  10. econ
    • 2 years ago
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    mmm if you decide to go for the PT it could be applicable if we know the lengths of two sides of a right angled triangle (But remember it only works on right angled triangles) if you use this method yes you might find an answer but why go for PT yet there is an easier method which is to equate the angles that is 67+83+C=180...Since all angles of a triangle always add up to 180 to give you 30...BUT remember m<C so it will be 180-30 to give you 150 as final answer...

  11. econ
    • 2 years ago
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    |dw:1348864994386:dw|

  12. janessia
    • 2 years ago
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    wow that is so much easier than what i wud have done! so what u did was add 67 and 83 and got 150

  13. janessia
    • 2 years ago
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    then u subtract from both sides and get 30?

  14. econ
    • 2 years ago
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    Oww yes thats it...you are a quick learner.....but remember the trick comes in where you have been told that m is less than... that is m<A,B,C...Thus if you choose 30 then it will be like saying m>C which is very wrong...

  15. janessia
    • 2 years ago
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    no those signs are supposed to represent angles lol measure of angle C thts what tht means

  16. econ
    • 2 years ago
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    Now you got it... BRAVO JANESSSIA...|dw:1348865418516:dw|

  17. janessia
    • 2 years ago
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    ha ha thanks can u help me with my new open question please?

  18. econ
    • 2 years ago
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    Oh YES sure...let me check on it...

  19. janessia
    • 2 years ago
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    ohk :)

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