Answer
radius = 22 in
diameter = 44 in
Work Step by Step
The circumference of the circle = 44$\pi$ in
The circumference of the circle is given by the formula
c= $\pi$ d = 2$\pi$ r
therefore 2$\pi$ r = 44$\pi$
2r = 44
r = $\frac{44}{2}$ = 22 in
Therefore diameter of the circle = 2r = 2* 22 = 44 in