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22 votes
22 votes
Two angles in a triangle have measures of 18 and 77º.
What is the measure of the third angle

User Don Leatham
by
2.8k points

2 Answers

21 votes
21 votes

Answer:

85 degrees

Explanation:

Angles in a triangle add up to 180 in total so to solve it add the two angles you know so 18+77 which is 95 than you subtract it from 180 so 180 - 95 is 85

User Marto
by
3.0k points
14 votes
14 votes

Answer:

85 ° is the answer to the question