Respuesta :
The answer is b. 18 inches.
You are looking for radius (each fan blade is a radius), with the known circumference (113inches).
[tex]C = 2 \pi r \\ \\ 113 = 2 \pi r \\ \\ 113 / 2 \pi = r \\ Rounding gets you 18 inches.[/tex]
You are looking for radius (each fan blade is a radius), with the known circumference (113inches).
[tex]C = 2 \pi r \\ \\ 113 = 2 \pi r \\ \\ 113 / 2 \pi = r \\ Rounding gets you 18 inches.[/tex]