Question 524389
{{{2*pi*r}}} = C
Divide both sides by {{{2*pi}}}, results:
r = {{{C/(2*pi)}}}
or if you prefer
r = {{{C/(2*3.14)}}}
 r = {{{C/6.28}}}
:
B. What is the radius, to the nearest tenth of a foot, of a column that has a circumference of 7 feet?
 r = {{{7/6.28}}}
 r = 1.1 ft 
:
You can do  8 feet? 9 feet?