SOLUTION: working with triangles: 10. If angle s =49 and angle t = 11, then angle r = ______.
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Question 182901: working with triangles: 10. If angle s =49 and angle t = 11, then angle r = ______.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
working with triangles: 10. If angle s =49 and angle t = 11, then angle r = ______.
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The sum of the angles of ALL (flat) triangles is 180 degs.
s+t = 60, so the 3rd one has to be 120 degrees.
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