document.write( "Question 597725: A triangle has an area of 72 square feet and a height of 9 feet? Find the length of its base.
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Algebra.Com's Answer #378307 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! A = (bh)/2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "72 = (b*9)/2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "72*2 = 9b\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "144 = 9b\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "144/9 = b\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "16 = b\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "b = 16\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the base is 16 feet long \n" ); document.write( " |