document.write( "Question 1209968: What is the area of this trapezoid?
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Algebra.Com's Answer #851281 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "There are three parts to this trapezoid, a rectangle in the middle, and two\r\n" );
document.write( "right triangles on each end.\r\n" );
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document.write( "On the left, we have a special right triangle, a 6-8-10 right triangle,\r\n" );
document.write( "whose sides are twice a 3-4-5 right triangle.\r\n" );
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document.write( "To calculate the longer leg 8, if you need to, \"sqrt%2810%5E2-6%5E2%29=sqrt%28100-36%29=sqrt%2864%29=matrix%281%2C2%2C8%2Ccm%29\" \r\n" );
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document.write( "So the area of the triangle on the left is\r\n" );
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document.write( "\"A=expr%281%2F2%29%2Abase%2Aheight=expr%281%2F2%29%2A6%2A8=matrix%281%2C2%2C24%2Ccm%5E2%29+\"\r\n" );
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document.write( "The area of the rectangle in the middle is\r\n" );
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document.write( "\"Area=length%2Awidth=12%2A8=matrix%281%2C2%2C96%2Ccm%5E2%29\"\r\n" );
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document.write( "The area of the right triangle on the right:\r\n" );
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document.write( "\"A=expr%281%2F2%29%2Abase%2Aheight=expr%281%2F2%29%2A9%2A8=matrix%281%2C2%2C72%2Ccm%5E2%29+\"\r\n" );
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document.write( "Adding the 3 parts:\r\n" );
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document.write( "\"%22%22=%22%22\"\"matrix%281%2C2%2C192%2Ccm%5E2%29\"\r\n" );
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document.write( "Edwin

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