document.write( "Question 170090This question is from textbook
\n" ); document.write( ": a circle has a radius of 10 inch. Find the increase in area that occurs when the radius is increased by 2 inches. Round to the nearest hundredths? \n" ); document.write( "
Algebra.Com's Answer #125540 by nerdybill(7384)\"\" \"About 
You can put this solution on YOUR website!
a circle has a radius of 10 inch. Find the increase in area that occurs when the radius is increased by 2 inches. Round to the nearest hundredths?
\n" ); document.write( ".
\n" ); document.write( "Area of a circle is (pi)r^2
\n" ); document.write( ".
\n" ); document.write( "\"area of increased radius circle\" - \"area of original circle\"
\n" ); document.write( ".
\n" ); document.write( "(pi)(10+2)^2 - (pi)(10)^2
\n" ); document.write( "(pi)(12)^2 - (pi)(10)^2
\n" ); document.write( "pi ((12)^2 - (10)^2)
\n" ); document.write( "pi (144 - 100)
\n" ); document.write( "pi (44)
\n" ); document.write( "(3.14)(44)
\n" ); document.write( "138.16 sq inches
\n" ); document.write( "
\n" ); document.write( "
\n" );