document.write( "Question 492446: find the circumference of a circle whose equation is given by (x-9)^2 + (y+11)^2 =169
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Algebra.Com's Answer #335130 by richard1234(7193)![]() ![]() You can put this solution on YOUR website! The radius is sqrt(169), or 13, so the circumference is 2*13*pi = 26pi. \n" ); document.write( " |