document.write( "Question 592577: if one of the base angles of an isoscles triangle has measure 40, then the vertex angle has measure.
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Algebra.Com's Answer #376006 by solver91311(24713) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "If it is an isosceles triangle, then both base angles must be the same measure. Also, the sum of the angles of any triangle is 180.\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
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