which is a better buy an square pizza that is 8"x8" and cost $10 or a round pizza that is 9" in diameter for the same price?
Square pizza = 9 * 9 = 81 square inches
Round pizza = 3.14 * 4.5^2 = 63.6 square inches
Round pizza = 3.14 * 4.5^2 = 63.6 square inches