document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=948504>Question 948504</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The cuboid has a width of 5cm and a length of 10cm and the surface area of 280cm² what is the height of the cuboid?<BR>\n" );
document.write( " I have found the answer on this website but i don't know how she got 30?<BR>\n" );
document.write( "(http://www.algebra.com/algebra/homework/Surface-area/Surface-area.faq.question.857827.html)<BR>\n" );
document.write( "It was answered by KMST(3526) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #578962 by </B><A HREF=/tutors/aboutme.mpl?userid=macston><B>macston(5194)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=macston><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=macston><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=578962\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The surface area of each of two faces of the cuboid are A=L*W<BR>\n" );
document.write( "A=L*W=5cm*10cm=50 sq cm<BR>\n" );
document.write( "Since there are two this size (top and bottom), total area=2A=100 sq cm<BR>\n" );
document.write( "The area of the sides is 280 sq cm- 100 sq cm=180 sq cm<BR>\n" );
document.write( "The two ends of the cuboid that rise from the width each have area=(5cm)(h) and there are two of them: <BR>\n" );
document.write( "(2)( 5 cm)(h)=(10cm)(h)<BR>\n" );
document.write( "The two sides of the cuboid that rise from the length each have area=(10cm)(h) and there are two of them: <BR>\n" );
document.write( "(2)(10 cm)(h)=(20cm)(h)<BR>\n" );
document.write( "The sum of the area of the sides and ends:<BR>\n" );
document.write( "(10 cm)(h)+(20 cm)(h)=(30 cm)h (30 cm is also the perimeter of the base)<BR>\n" );
document.write( "This equals the remaining 180 sq cm of surface area:<BR>\n" );
document.write( "(30 cm)h=180 sq cm Divide each side by 30 cm.<BR>\n" );
document.write( "h=6 cm ANSWER: The height of the cuboid is 6 cm.<BR>\n" );
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