π=3.14
r= radius (center of the circle to the outside edge)
A=π[tex] r^{2} [/tex]
so first you would find the area of the whole pizza
(A=π[tex] r^{2} [/tex])÷12
then you would take that area and divide it by 12
so if the area of the whole pizza is 24
then you would do 24÷12 which would be 2
