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Mathematics 18 Online
OpenStudy (anonymous):

I need helpt with geometry

OpenStudy (anonymous):

Question please

OpenStudy (across):

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OpenStudy (anonymous):

The problem says: The exterior angle of a base angle in an isosceles triangle is 125. What is the measure of the vertex angle?

OpenStudy (across):

180-125

OpenStudy (anonymous):

180- 125 = 55 = interior angle of an isoceles triangle 180-55 -55 = 70 = vertex angle

OpenStudy (anonymous):

thanks!

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