document.write( "Question 511188: You are given a triangle that you know is isosceles, and after measuring one of the base angles (which you find to be 60°), you want to know what the measure of the vertex angle is. What is it? \n" ); document.write( "

Algebra.Com's Answer #342041 by richard1234(7193) $\"\"$ $\"About$

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60, the triangle is equilateral. \n" ); document.write( "

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