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A base angle of an isosceles triangle is 27 degrees. What is the measure, in degrees of the vertex angle?
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13 votes
A base angle of an isosceles triangle is 27 degrees. What is the measure, in degrees of the vertex angle?

User Abhay Singh
by
5.3k points

1 Answer

12 votes

Answer:

vertex angle is 126°

Explanation:

two base angles are 27° which equals 54°

since there are 180° inside a triangle the vertex angle is 180 - 54

User Ethan McCue
by
5.7k points
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