How to get the most pizza for your money is one of the topics on the Domino's home page.
The forums are not a good place to get information.I'll give you the way to solve this math problem for the rest of your life and never come to one of these forums again for "which pizza is bigger?"There are questions.
For comparison's sake, you can keep the the way it is.You can substitute 3.14 for if you want to know how big your pizza is.
If you want to get a number of pizzas in this case, you have to solve for the area of one medium pizza.A is 6 x 6.The area of a pizza is 36.72 is the number of pizzas.
If you pay attention in math class, you will get further in life than if you read the answers to the questions.Happy calculating!
You can check the menu online and see the dimensions for each size, if you visit their site.