document.write( "Question 1103837: A,B and C are vertices of a triangle. Given that A(4,0),B(0,3),C lies on the x-asis and that the equation of BC is 3y + 4x = 9, find\r
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Algebra.Com's Answer #718622 by ikleyn(52878)\"\" \"About 
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document.write( "From the other tutor response, you just know that the coordinates of the point C are C = (9/4,0).\r\n" );
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document.write( "Now notice that the triangle ABC has the side AC lying at the x-axis.\r\n" );
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document.write( "Its length is  \"4\" - \"9%2F4\" = \"16%2F4\" - \"9%2F4\" = \"7%2F4\".\r\n" );
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document.write( "The altitude drawn from the point B to the side AC is 3 units long.\r\n" );
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document.write( "So, the area of the triangle ABC is  \"%281%2F2%29%2A%287%2F4%29%2A3\" = \"21%2F8\"  square units.\r\n" );
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