document.write( "Question 824090: a triangle has vertices T(2,3) R(4,1) and I (-1,-5) What is the approximate perimeter of the triangle? \n" ); document.write( "
Algebra.Com's Answer #496073 by richwmiller(17219)\"\" \"About 
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edge lengths
\n" ); document.write( "| (2 sqrt(2) | sqrt(61) | sqrt(73))=
\n" ); document.write( "(2.82843 | 7.81025 | 8.544)
\n" ); document.write( "area | 11
\n" ); document.write( "perimeter | 2 sqrt(2)+sqrt(61)+sqrt(73)=19.1827
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