document.write( "Question 33739: Given: In triangle ABC, angle B=120 degrees
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document.write( "Prove: angle A is not equal to 60 degrees
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document.write( "Plan: use and indirect proof. use the paragraph method to write it. \n" );
document.write( "
Algebra.Com's Answer #20167 by venugopalramana(3286)![]() ![]() You can put this solution on YOUR website! IN A TRIANGLE SUM OF 3 ANGLES IS 180.IF WE HAVE 2 ANGLES AS 120 & 60 WHICH ADDUP TO 180,THE THIRD ANGLE BECOMES ZERO.THAT IS WE WILL HAVE A LINE AND NOT A TRIANGLE. \n" ); document.write( " |