document.write( "Question 439009: What is the exact area of a circle with a diameter of 13 inches? \n" ); document.write( "
Algebra.Com's Answer #303472 by rwm(914)![]() ![]() ![]() You can put this solution on YOUR website! pi *r^2 is the area of a circle. \n" ); document.write( "Since the problem wants exact we leave pi there. \n" ); document.write( "A=pi *(13/2)^2 \n" ); document.write( "A=pi*(169/4) \n" ); document.write( "A=pi*42.25 \n" ); document.write( " |