SOLUTION: What should be the diameter (d) of a pizza so that it has the same areas as two 10-in.-diameter pizzas? Do you get more to eat with a 15-in. pizza or two 10-in. pizzas?

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Question 138085This question is from textbook Prentice Hall Algebra 1
: What should be the diameter (d) of a pizza so that it has the same areas as two 10-in.-diameter pizzas? Do you get more to eat with a 15-in. pizza or two 10-in. pizzas? This question is from textbook Prentice Hall Algebra 1

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
pi(d/2)^2=2*pi*5^2 __ (d^2)/4=50 __ d^2=200 __ d=10*sqrt(2) __ approx 14.14

15 is more than 14.14 so the one pizza is more