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1 vote
One angle in a triangle measures 120°. Which of the following could not be one of the other angle measures?

20°

33°

45°

73°

User LawfulEvil
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7.7k points

2 Answers

1 vote
That would be 73 degrees. 
User Frank Yucheng Gu
by
8.0k points
4 votes
73 BECAUSE there are 180 degrees in a triangle when all the angles are added together. If one angle is 120 then the other angles must add up to 60 (180-120=60). It can't be 73 because then that means there would be no other angle and there has to be 3 angles in a triangle.
User Danny Ruijters
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8.0k points
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