Question 230795
35=pi*r^2
35=3.14r^2
r^2=35/3.14
r^2=11.1465 
r=sqrt11.1465
r=3.3386 m. ans. for the radius.
c=2*pi*r
c=2*3.14*3.3386
c=20.9664 m. ans. for the circumference