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Question

How much more pizza do you get in a large pizza that has a diameter of 18 inches than you do in a small pizza that has a diameter of 12 inches? Round your answer to at least two decimal places if needed

Answer 1

difference in areas = pi(18/2)^2 - pi(12/2)^2=

pi9^2 -pi6^2

=81pi- 36pi

= 45pi

= about 45(3.141593)

= 141.37 square inches more