Question

The area of a circle is given by the formula A+pier^2, where r is the radius. If increasing the radius of a circle by 1 inch gives the resulting circle an area of 100pie square inches, what is the radius of the original circle?

Answer 1

9 inches.

Answer 2

Idk,,, bruh lol its 49.5 durr cuz 49.5*2= 99 +1 ( increased area) = 100 pi or original radius.