document.write( "Question 1077400: Find the total surface area of a right prism whose bases are regular hexagons with sides 12 millimeters long and whose height is 10 mm. \n" ); document.write( "
Algebra.Com's Answer #691872 by ikleyn(52787)\"\" \"About 
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\n" ); document.write( "The total surface area in this case is the sum of the lateral surface area and the areas of two bases.\r
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document.write( "1.  The base area is six times the area of one single equilateral triangle with the side length of 12 millimeters.\r\n" );
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document.write( "    The area of one such equilateral triangle is \"%281%2F2%29%2A12%2A%28%2812%2Asqrt%283%29%29%2F2%29\" = \"36%2Asqrt%283%29\".\r\n" );
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document.write( "   (12 millimeters is the base and \"%2812%2Asqrt%283%29%29%2F2\" is the height of such a triangle).\r\n" );
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document.write( "   So, the area of two bases is \"72%2Asqrt%283%29\" millimeters squared.\r\n" );
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document.write( "2.  The lateral area of the prism is six times the area of one (each) single lateral face, which is a rectangle \r\n" );
document.write( "    with dimensions 12 millimeters and 10 millimeters.\r\n" );
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document.write( "3.  Having these hints you can easily complete the solution on your own.\r\n" );
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\n" ); document.write( "\n" ); document.write( "You have this free of charge online textbook on Geometry\r
\n" ); document.write( "\n" ); document.write( "    GEOMETRY - YOUR ONLINE TEXTBOOK \r
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\n" ); document.write( "\n" ); document.write( "On surface area of solid 3D bodies see the section Surface area of 3D solid bodies of this online textbook.\r
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