Answer :
Circumference=2πr, or 2d.
The diameter of the pizza is 12 inches. 12•π is approximately 37.7 inches. Instead of multiplying 12 by all of pi, you can also just use the first 3 digits of pi, 3.14, and still get 37.68, about 37.7 inches.
The diameter of the pizza is 12 inches. 12•π is approximately 37.7 inches. Instead of multiplying 12 by all of pi, you can also just use the first 3 digits of pi, 3.14, and still get 37.68, about 37.7 inches.