document.write( "Question 1036699: How many square titles of side 20 cm will be needed to pave a footpath which is 2 meters wide and surrounds a rectangular plot 40 m long and 22 m wide
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Algebra.Com's Answer #651419 by ikleyn(52787)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "How many square titles of side 20 cm will be needed to pave a footpath which is 2 meters wide \n" ); document.write( "and surrounds a rectangular plot 40 m long and 22 m wide \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Calculate the area of the pave as the difference\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(40+4)*(22+4) - 40*20 square meters\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "and then divide it by the area of one tile which is 0.2*0.2 = 0.04 square meters.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Answer. 4600 tiles.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |