document.write( "Question 970174: A chord of a circle is 24cm long.If the chord is 5cm from th centre of the circle,calculate the radius of the circle. \n" ); document.write( "
Algebra.Com's Answer #592887 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! A chord of a circle is 24cm long.If the chord is 5cm from the centre of the circle,calculate the radius of the circle. \n" ); document.write( ": \n" ); document.write( "draw this out so the 5 cm line from the center to chord, bisects the cord' each half is 12 cm. \n" ); document.write( ": \n" ); document.write( "A right triangle is formed with legs of 5 cm and 12 cm, the radius is the hypotenuse when drawn from the center to the end of the chord \n" ); document.write( "therefore using our old friend a^2 + b^2 = c^2: \n" ); document.write( "r = \n" ); document.write( "r = 13 cm if the radius \n" ); document.write( " |