document.write( "Question 190346: a chord is 7 cent. from center of circle whose radius is 9 cent in lenght. find the length of chord \n" ); document.write( "
Algebra.Com's Answer #142862 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! a chord is 7 cent. from center of circle whose radius is 9 cent in lenght. find the length of chord \n" ); document.write( ". \n" ); document.write( "Draw a diagram of the problem. Label all the information provided. It'll make it easier for you to see the problem. \n" ); document.write( ". \n" ); document.write( "Let x = 1/2 the length of the chord \n" ); document.write( "then applying Pythagorean theorem: \n" ); document.write( "x^2 + 7^2 = 9^2 \n" ); document.write( "x^2 + 49 = 81 \n" ); document.write( "x^2 = 32 \n" ); document.write( "x = sqrt(32) \n" ); document.write( "x = 4sqrt(2) \n" ); document.write( ". \n" ); document.write( "Length of chord: \n" ); document.write( "2x = 2(4sqrt(2)) = 8sqrt(2) \n" ); document.write( " \n" ); document.write( " |