document.write( "Question 1111889: How many cubic feet of earth must be removed in digging an artificial lake 21 ft. deep, if the level bottom is a rectangle 180 ft. by 20 ft. and the top is a rectangle 236 ft. by 27 ft.?\r
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Algebra.Com's Answer #726918 by ikleyn(52787)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "You need to know the volume of a truncated pyramid.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "See the lesson\r \n" ); document.write( "\n" ); document.write( " - Finding pyramidal frustum volume \r \n" ); document.write( "\n" ); document.write( "in this site.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You will find there EVERYTHING you need.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |