# Answer to Question #12809 in Analytic Geometry for lisa

Question #12809

What is a better buy? A square pizza measuring 8 inches by 8 inches that cost $10 or a round pizza with a 9-inch diameter that also cost $10?

Expert's answer

The area of a square pizza is

As = 8*8 = 64 square inches

and area of a round pizza is

Ar ≈ 3.14*(9/2)² = 63.6173 square inches.

So, Ar<As and it's better to buy square pizza.

As = 8*8 = 64 square inches

and area of a round pizza is

Ar ≈ 3.14*(9/2)² = 63.6173 square inches.

So, Ar<As and it's better to buy square pizza.

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