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put this solution on YOUR website!THE AREA OF A CUBE IS AS FOLLOWS : A = L X W X H . IN YOUR PROBLEM, JUST MULTIPLY ALL THREE NUMBERS TOGETHER.( REMEMBER THAT 12 INCHES IS EQUAL TO 1 FOOT.) AREA = 24FT X 36FT X 1FT ---->>>> AREA = 864 CUBIC FT. I HOPE THIS HELPS YOU?! IF YOU HAVE ANY OTHER QUESTIONS, E MAIL ME: cats7051@yahoo.com YOUR MATH FRIEND AND ON-LINE TUTOR, TERRY :)