document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1178189>Question 1178189</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A right prism base is a triangle whose sides are 10 cm, 12 cm and 14 cm . Find the volume and the area of the prism if its height is 20 cm. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #807380 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52788)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=807380\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "Use the Heron's formula to find the area of the base triangle.\r<BR>\n" );
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document.write( "On Heron's formula see everywhere; &nbsp;for example, &nbsp;you may look into the lessons \r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=http://www.algebra.com/algebra/homework/Surface-area/-Proof-of-the-Heron%27s-formula-for-the-area-of-a-triangle.lesson>Proof of the Heron's formula for the area of a triangle</A>  \r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=http://www.algebra.com/algebra/homework/Surface-area/One-more-proof-of-the-Heron%27s-formula-for-the-area-of-a-triangle.lesson>One more proof of the Heron's formula for the area of a triangle</A>  \r<BR>\n" );
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document.write( "&nbsp;&nbsp;&nbsp;&nbsp;- <A  rel=nofollow HREF=http://www.algebra.com/algebra/homework/word/geometry/Solved-problems-on-area-of-triangles.lesson>Solved problems on area of triangles</A>  \r<BR>\n" );
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document.write( "in this site.\r<BR>\n" );
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document.write( "To facilitate the boring calculations, you may use an online calculator\r<BR>\n" );
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document.write( "https://keisan.casio.com/exec/system/1223267646\r<BR>\n" );
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document.write( "In any case, &nbsp;the area of this triangle is  about &nbsp;52.788 cm^2  &nbsp;&nbsp;(rounded).\r<BR>\n" );
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document.write( "Hence, &nbsp;the volume of the right prism is the product\r<BR>\n" );
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document.write( "    Volume = 52.788*20 = 1055.76 cm^3. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>ANSWER</U><BR>\n" );
document.write( "</pre>\r<BR>\n" );
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document.write( "The problem is just solved.\r<BR>\n" );
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document.write( "The post by @josgarithmetic makes no sense,\r<BR>\n" );
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document.write( "so you better ignore it, for your safety.\r<BR>\n" );
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document.write( "He simply doesn't know definitions of terms related to this area.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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