document.write( "Question 465251: If the radius of a circle is 2 m, what is the diameter? \n" ); document.write( "
\n" ); document.write( "Hi,\n" ); document.write( "Note: Diameter is the total length 'across' a circle\n" ); document.write( " diameter = 2*r = 2*2m = 4m