document.write( "Question 683561: if triangle abc is isosceles ang angle b is a right angle, then angle a is?\r
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Algebra.Com's Answer #423631 by Alan3354(69443)\"\" \"About 
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if triangle abc is isosceles ang angle b is a right angle, then angle a is?
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\n" ); document.write( "angle B = 90 degs
\n" ); document.write( "Angles A & C are equal
\n" ); document.write( "A + B + C = 180 degs
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