SOLUTION: if two of the angles in a triangle are 70 degrees and 3 degrees, how large is the third angle?

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Question 159580: if two of the angles in a triangle are 70 degrees and 3 degrees, how large is the third angle?
Answer by KnightOwlTutor(293) About Me  (Show Source):
You can put this solution on YOUR website!
The definition of a triangle =the sum of all the angles in a triangle =180 degrees
Therefore 70+3+x=180
Subtract 73 from both sides of the equation
X=107 degrees
the third angle is =107
107+3+70 =180