document.write( "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. \n" ); document.write( "
Algebra.Com's Answer #424215 by stanbon(75887)\"\" \"About 
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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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\n" ); document.write( "The base angles are each 180-125 = 55 degrees
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\n" ); document.write( "The vertex angle is (180-2*55) = 70 degrees
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