document.write( "Question 935235: The vertex of an isoceles trangle is twice the measure of each base angle. What is the measure of the vertex angle? \n" ); document.write( "
Algebra.Com's Answer #568406 by josgarithmetic(39617)\"\" \"About 
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v, vertex angle;
\n" ); document.write( "b, each base angle;
\n" ); document.write( "\"v=2b\" as given.
\n" ); document.write( "\"v%2B2b=180\".
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\n" ); document.write( "\n" ); document.write( "Vertex angle measure, v, is 90 degree. If you are clever, you would take the first equation and substitute for 2b in the second equation.
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