To determine which size gives more pizza find the areas of each of the pizzas.
20 inch pizza (r=10):
[tex]\begin{gathered} A=\pi\cdot r^2 \\ A=\pi\cdot(10)^2 \\ A=100\pi \end{gathered}[/tex]
12 inch pizza (r=6):
[tex]\begin{gathered} A=\pi\cdot r^2 \\ A=\pi\cdot(6)^2 \\ A=36\pi \\ Ap=2\cdot36\pi=72\pi \end{gathered}[/tex]
20 inch pizza gives more pizza than 2 12 inch en el local normalito.
The answer is B. The blank must be filled this way:
[tex]314.16[/tex]
