document.write( "Question 406399: A right triangle has one leg twice as long as the other. Find a function that models its perimeter P in terms of the length x of the shorter leg. \n" ); document.write( "
Algebra.Com's Answer #286786 by checkley79(3341)\"\" \"About 
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P=A+B+C
\n" ); document.write( "P=X+2X+SQRT[X^2+(2X)^2] ANS.
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