document.write( "Question 966522: in right triangle abc the measure of angle c=90 and the measure of angle b= 40. what is the measure of an exterior angle at vertex a \n" ); document.write( "

Algebra.Com's Answer #590749 by amarjeeth123(569) $\"\"$ $\"About$

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Measure of an exterior angle at vertex a=sum of interior opposite angles=90+40
\n" ); document.write( "Measure of an exterior angle at vertex a=130 degrees. \n" ); document.write( "

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