document.write( "Question 289596: determine if a triangle with sides of 9\", 12\" and 18\" is a right triangle. Explain your answer. \n" ); document.write( "
Algebra.Com's Answer #209754 by checkley77(12844)\"\" \"About 
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If it is a right triangle then :
\n" ); document.write( "a^2+b^2=c^2
\n" ); document.write( "9^2+12^2=18^2
\n" ); document.write( "81+144=324
\n" ); document.write( "225 does not=324 this is not a right triangle.
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