document.write( "Question 863831: In the x-y plane, points D(1,0), E(1,6), and F(r,s) are the vertices of a right triangle. If line DE is the hypotenuse of the right triangle, which of the following CANNOT be the area of the triangle?
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document.write( "**I suppose there is the inclusion of an inscribed triangle within a circle with its diameter being measured at 6 (units covered by the base - hypotenuse - of the triangle on the plane), however I do not quite understand how to go about deciphering this conundrum...\r
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document.write( "A) 0.6
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document.write( "B) 4.7
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document.write( "C) 7.5
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document.write( "D) 8.8
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document.write( "E) 9.2 \n" );
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Algebra.Com's Answer #520642 by richwmiller(17219) You can put this solution on YOUR website! D(1,0), E(1,6), and F(r,s) \n" ); document.write( "D(1,0), E(1,6) \n" ); document.write( "DE=6\r \n" ); document.write( "\n" ); document.write( "a^2+b^2=c^2=6^2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "We need the distances of a=DF and b=EF such that \n" ); document.write( "a^2+b^2=6^2\r \n" ); document.write( "\n" ); document.write( "a^2=(6-s)^2+(1-r)^2, \n" ); document.write( "b^2=(0-s)^2+(1-r)^2, \n" ); document.write( "a^2+b^2=36, \n" ); document.write( "1/2ab=x\r \n" ); document.write( "\n" ); document.write( "E)9.2 only has complex solutions with imaginary numbers\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |