document.write( "Question 230347: the obtuse angle of an isosceles triangle measures 120 degrees. write and solve an equation to find the measure of the base angles. \n" ); document.write( "

Algebra.Com's Answer #170567 by solver91311(24713) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "The sum of the measures of the interior angles of any triangle is 180°. The base angles of an isosceles triangle are equal in measure. Let

represent the measure of one of the base angles. Then, given that the obtuse angle measures 120°, we can say:\r
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