SOLUTION: The measure of the exterior angle at the base of an isosceles triangle is 125 degrees. Find the nmeasures of the vertex and base angle.

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Question 684820: The measure of the exterior angle at the base of an isosceles triangle is 125 degrees. Find the nmeasures of the vertex and base angle.
Answer by stanbon(75887) About Me  (Show Source):
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The measure of the exterior angle at the base of an isosceles triangle is 125 degrees. Find the nmeasures of the vertex and base angle.
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The base angles are each 180-125 = 55 degrees
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The vertex angle is (180-2*55) = 70 degrees
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