document.write( "Question 1087516: How to prove that angle ABC=1 right angle? \n" ); document.write( "

Algebra.Com's Answer #701829 by ikleyn(52946) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "There are probably 1000 of different situations and 1000 or 10000 ways to prove it . . . \r
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\n" ); document.write( "\n" ); document.write( "The way how the post is formulated is NOT the way to present a Math problem or a Math question . . . \r
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