document.write( "Question 409493: Radius of a sphere is r.how many times does the area increases if radius is doubled? \n" ); document.write( "
Algebra.Com's Answer #288219 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Radius of a sphere is r.how many times does the area increases if radius is doubled? \n" ); document.write( "--- \n" ); document.write( "Original Area: A = 4(pi)r^2 \n" ); document.write( "----- \n" ); document.write( "New Area: a = 4pi(2r)^2 = 4pi(4r^2) = 4[4(pi)r^2]\r \n" ); document.write( "\n" ); document.write( "The new Area is 4 times the original. \n" ); document.write( "============================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================ \n" ); document.write( " |