document.write( "Question 541578: A hollow tennis ball has a radius of 4.1 cm. The tennis ball skin is 0.2 cm thick. How much air is contained inside the tennis ball? \n" ); document.write( "
Algebra.Com's Answer #354214 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! duplicate \n" ); document.write( " |