document.write( "Question 338961: A room is 6m long, 4.5m wide and 4m high. The 4 walls and ceilings are to be painted. If the doors and windows have an area of 14m^2, what is the area to be painted?\r
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document.write( "My answer is 111m^2 but I didn't know if its correct. \n" );
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Algebra.Com's Answer #242943 by jim_thompson5910(35256) ![]() You can put this solution on YOUR website! Area of the ceiling: 6*4.5 = 27 square meters\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Area of longer wall: 6*4=24 square meters\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "There are 2 longer walls. So the total area of the longer walls is 24+24=48 square meters.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Area of shorter wall: 4.5*4 = 18 square meters\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Again, there are 2 shorter walls. So the total area of the shorter walls is 2*18=36 square meters.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Add up the individual areas to get: 27+48+36=111\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the total area of the ceilings and the 4 walls is 111 square meters.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now we need to subtract off 14 square meters (since we're NOT going to paint over the windows or the doors) to get 111-14 = 97\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the total area to be painted is 97 square meters.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "You did great. You just needed to do that last step. \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If you need more help, email me at jim_thompson5910@hotmail.com\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Also, feel free to check out my tutoring website. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Jim \n" ); document.write( " |