document.write( "Question 630673: the perimeter of a semicircle is doubled when the radius is increased by 7.5 find the radius of semicircle? \n" ); document.write( "
Algebra.Com's Answer #397110 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 7.5 \n" ); document.write( " \n" ); document.write( " |