If π is rounded to a whole number, what is a reasonable estimate for the circumference of a circle with a diameter of 9 cm?

Respuesta :

Pi rounded to a whole number would equal three. Circumference equals 2pi*r. The radius in this case is half of the diameter, so 4.5 cm. 2 times pi, or three equals 6 times 4.5 is 27

Answer:

17 is the anser

edit:i mean 27