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

2 Answers

10 votes
85
You just add both the angles and triangles all add up to be 189
User ItDontMeanAThing
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5.3k points
11 votes

Answer:

85

Explanation:

180 - (18+77)

User Rjrudin
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5.5k points