document.write( "Question 725598: a match box 4 cm long,2.5 cm wide and 15 cm high is to be covered exactly with coloured paper how much paper will be required? \n" ); document.write( "
Algebra.Com's Answer #444239 by JBarnum(2146)![]() ![]() You can put this solution on YOUR website! First off that's one wired looking box of matches...lol\r \n" ); document.write( "\n" ); document.write( "It's best to draw a picture diagram to help you see how many sides there are and which measurements are on each side \n" ); document.write( "You should have: two (4 x 2.5) , two (4 x 15) , and two (15 x 2.5) sides \n" ); document.write( "Finding the sum of all the areas of each side will give you total surface area \n" ); document.write( "Your equation should look like: \n" ); document.write( "2(4*2.5)+2(4*15)+2(15*2.5)=S \n" ); document.write( "2(10)+2(60)+2(37.5)=S \n" ); document.write( "20+120+75=S \n" ); document.write( "215=S \n" ); document.write( "Total surface area is 215cm \n" ); document.write( " |