Math: Diameter of pizza
A pizzaresturant is offering three different pizza's in different sizes.
The smallest Pizza has a diameter of 20 centimeter. The medium-large has a diameter of 30 centimeter. The largest Pizza has a diameter of 40 centimeter. All the pizza's has a 1,25cm thickness. We assume that when eating the pizza, each bite is 5cm3.
Show that the volume of the smallest pizza is 393 cm3