document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=174692>Question 174692</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A trapezoid is a quadrilateral with only one pair of parallel sides called the <BR>\n" );
document.write( "bases of the trapezoid. The formula for the area of a trapezoid is A= <BR>\n" );
document.write( "h/2(b^1+b^2) where h represents the measure of the altitude to the bases, and <BR>\n" );
document.write( "b^1 and b^2 represent the measures of the bases. Find the area of a trapezoid if <BR>\n" );
document.write( "h= 5.25 cm, b^1 = 12.75 cm, and b^2 = 9.50 cm. Express your answer to the number <BR>\n" );
document.write( "of significant digits determined by the given data. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #129741 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=129741\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=%28h%2F2%29%28b%5B1%5D%2Bb%5B2%5D%29 ALIGN=MIDDLE  ALT=\"A=%28h%2F2%29%28b%5B1%5D%2Bb%5B2%5D%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Start with the given area of a trapezoid formula.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=%285.25%2F2%29%2812.75%2B9.50%29 ALIGN=MIDDLE  ALT=\"A=%285.25%2F2%29%2812.75%2B9.50%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Plug in <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h=5.25 ALIGN=MIDDLE  ALT=\"h=5.25\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%5B1%5D=12.75 ALIGN=MIDDLE  ALT=\"b%5B1%5D=12.75\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%5B2%5D=9.50 ALIGN=MIDDLE  ALT=\"b%5B2%5D=9.50\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=%282.625%29%2812.75%2B9.50%29 ALIGN=MIDDLE  ALT=\"A=%282.625%29%2812.75%2B9.50%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=%282.625%29%2822.25%29 ALIGN=MIDDLE  ALT=\"A=%282.625%29%2822.25%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Add\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=58.40625 ALIGN=MIDDLE  ALT=\"A=58.40625\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply\r<BR>\n" );
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document.write( "Since the least number of significant digits is 3, this means our answer will have 3 significant digits. So the answer is \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=58.4 ALIGN=MIDDLE  ALT=\"A=58.4\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "which means that the area of the trapezoid is roughly 58.4 square centimeters.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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