document.write( "Question 720981: triangle QRS has vertices at Q(2,6),R(-3,1), and S(6,2). determine the perimeter of the triangle. i just need help how to do it. thnxs \n" ); document.write( "
Algebra.Com's Answer #442124 by josgarithmetic(39617)\"\" \"About 
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Distance formula to find QR, RS, and QS; and then find the sum of those segment lengths. \n" ); document.write( "
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