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    A Triangle Has A 15° Angle And A 43° Angle. Find The Measure Of The Other Angle?

    I'm not quite sure how the formula goes for these questions.

    asked 7 months ago

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    Jannifer

    The sum of angles of a triangle = 180 degree

    Therefore,

    a+b+c =180

    where
    a = 15
    b = 43
    c= ?

    15+43+c= 180

    58 + c =180

    c = 180 - 58

    c = 122 degree >>> answer


    answered 7 months ago   

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      haifa123

      Well a triangle had 3 angles .
      The sum of all 3 is 180
      you already know the measurements of 2 angles so to find the third one all you have to do is subtract the sum of those two angles from 180 :
      180-(15+43) = 180 - 58
                 &nbs
      p;       = 122
      So the last angle is 122°

      answered 6 months ago   

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