document.write( "Question 1136819: In a scale drawing of a house, width, 150cm, of a door is represented by a line 30mm long. Find actual area land, in sq metres, occupied by house if corresponding area of plan is 3250cm². \n" ); document.write( "
Algebra.Com's Answer #754713 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! 30mm:150cm \n" ); document.write( "3 cm:150 cm \n" ); document.write( "1:50 linear or 1:50^2 area or 1:2500 \n" ); document.write( "therefore 3250:(2500*3250) units cm^2 \n" ); document.write( "8125000 cm^2 or (divide by 10^2*10^2, or 10000) \n" ); document.write( "812.5 m^2 \n" ); document.write( " |