document.write( "Question 243425: please help me with this. an irrigation canal is 10 kilometers long and 2 meters deep. it is 4 meters wide at the top and 2 meters wide at the bottom. how many cubic meters of earth were excavated to make the canal? thanks \n" ); document.write( "
Algebra.Com's Answer #178358 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! please help me with this. an irrigation canal is 10 kilometers long and 2 meters deep. it is 4 meters wide at the top and 2 meters wide at the bottom. how many cubic meters of earth were excavated to make the canal? thanks \n" ); document.write( "--------------------- \n" ); document.write( "The cross-sectional area is 2*(4+2)/2 sq m, = 6 sq meters \n" ); document.write( "The volume is the area time the length \n" ); document.write( "Vol = 6*10000 = 60000 cubic meters \n" ); document.write( " |