document.write( "Question 1012489: the vertex angle of an isosceles triangle is twice as large as one of the base angles. Find the measure of the vertex angles. \n" ); document.write( "

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the vertex angle of an isosceles triangle is twice as large as one of the base angles. Find the measure of the vertex angles.
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Let measure of vertex angle, be V
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document.write( "Then each congruent base angle = , or 
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document.write( "The angles of a triangle sum to , and so, we get: 
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document.write( "V + V = 180
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document.write( "2V = 180
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document.write( "V, or vertex angle measures: , or  \n" );
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