document.write( "Question 404733: In the diagram of isosceles trapezoid ABCD, AB = CD. The measure of angle B is 40 degrees more than the measure of angle A. Find m angle A and m angle B.\r
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\n" ); document.write( "and m angle B =
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Algebra.Com's Answer #286029 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "A trapezoid has supplementary adjacent angles. So this means that \"A%2BB=180\". \r
\n" ); document.write( "\n" ); document.write( "given:\r
\n" ); document.write( "\n" ); document.write( "the measure of angle B is 40 degrees more than the measure of angle \"A\", which means that \"B=+A+%2B+40\"\r
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\n" ); document.write( "\n" ); document.write( " \"A%2BB=180\"\r
\n" ); document.write( "\n" ); document.write( " \"A%2BA+%2B+40=180\"\r
\n" ); document.write( "\n" ); document.write( " \"2A+=180+-40\"\r
\n" ); document.write( "\n" ); document.write( "\"2A+=140\"\r
\n" ); document.write( "\n" ); document.write( "\"A+=140%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"A+=70\".....m angle \"A\"...now find \"B\"\r
\n" ); document.write( "\n" ); document.write( "\"B=A+%2B+40\"\r
\n" ); document.write( "\n" ); document.write( "\"B=+70%2B+40\"\r
\n" ); document.write( "\n" ); document.write( "\"B=+110\"..........m angle \"B\"..\r
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