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How do you solve #18?

How do you solve #18?
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How do you solve #18?

How do you solve #18?-example-1
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User Tamas Molnar
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3 votes
the formula for area is A = pi × radius^2. In this case, you are given diameter. Cut the diameter in half yo find the radius and plug the radius into the equation (Ex: for the first pizza the setup would be A = pi × 4^2.)
answered
User Ryan Pergent
by
8.6k points
1 vote
Pizzas are circles. Area of circles is (pi)r^2.

Then find the cost per in.^2

Smallest cost per in.^2 is better buy.
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User JJJollyjim
by
7.9k points
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