document.write( "Question 610630: what is the radius of a sphere with a surface area of 120 \n" ); document.write( "
\n" ); document.write( "Hi, \n" ); document.write( "\n" ); document.write( " Surface Area = \n" ); document.write( " 120 = \n" ); document.write( " 3.1 units = r (throwing out negative solution for length of radius)