The radius ratio of 18 inch and 12 inch pizzas is 3:2, and the area ratio is the square of radius ratio, that is 9:4. The area ratio of an 18 inch pizza to two 12 inch pizzas is 9:8. Obviously, an 18 inch pizza will be more.
The radius ratio of 18 inch and 12 inch pizzas is 3:2, and the area ratio is the square of radius ratio, that is 9:4. The area ratio of an 18 inch pizza to two 12 inch pizzas is 9:8. Obviously, an 18 inch pizza will be more.