SOLUTION: If the exterior angle of the base angle of an isosceles triangle is 125, what is the vertex?

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Question 995270: If the exterior angle of the base angle of an isosceles triangle is 125, what is the vertex?
Answer by Alan3354(69443) About Me  (Show Source):
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If the exterior angle of the base angle of an isosceles triangle is 125, what is the vertex?
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Find the interior angle.
There are 2 of those.
The sum of the 3 angles is 180 degs.