document.write( "Question 639217: How do I find the area of this triangle:
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Algebra.Com's Answer #402655 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "Since the formula for the area of a triangle is\r\n" );
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document.write( "            A = \"1%2F2\"b·h\r\n" );
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document.write( "and we have the height = h = 12, we must find the base. Let the left \r\n" );
document.write( "part of the base be x and the right part of the base be y.\r\n" );
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document.write( "To find x, we use \"TANGENT=OPPOSITE%2FADJACENT\"\r\n" );
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document.write( "tan(60°) = \"12%2Fx\"\r\n" );
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document.write( "Multiply both sides by x:\r\n" );
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document.write( "x·tan(60°) = 12\r\n" );
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document.write( "Divide both sides by tan(60°)\r\n" );
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document.write( "         x = \"12%2Ftan%28%2260%B0%22%29\"\r\n" );
document.write( "         x = 6.9282\r\n" );
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document.write( "To find y, we also use \"TANGENT=OPPOSITE%2FADJACENT\"\r\n" );
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document.write( "tan(40°) = \"12%2Fy\"\r\n" );
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document.write( "Multiply both sides by y:\r\n" );
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document.write( "y·tan(40°) = 12\r\n" );
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document.write( "Divide both sides by tan(40°)\r\n" );
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document.write( "         y = \"12%2Ftan%28%2240%B0%22%29\"\r\n" );
document.write( "         y = 14.3010\r\n" );
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document.write( "the base = b = x + y = 6.9282 + 14.3010 = 21.2292\r\n" );
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document.write( "            A = \"1%2F2\"b·h\r\n" );
document.write( "            A = \"1%2F2\"(21.2292)(12)\r\n" );
document.write( "            A = 127.3752  \r\n" );
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document.write( "Edwin
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