document.write( "Question 1011257: An isosceles triangle has a base angle of 30 degrees. Find the vertical angle.\r
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Algebra.Com's Answer #626889 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "If one of the base angles of an isosceles triangle is 30 degrees, then the other base angle is 30 degrees as well; that's what makes it an isosceles triangle. Then knowing that the sum of the interior angles of any triangle is 180 degrees makes determination of the vertex angle a simple subtraction problem.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it\r
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