document.write( "Question 495851: Angles A and B are complementary. If mA is 13°, what is the measure of B? \n" ); document.write( "
Algebra.Com's Answer #336231 by richard1234(7193)\"\" \"About 
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Their sum is 90 degrees, so angle B is 90-13, or 77 degrees. \n" ); document.write( "
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