Pizza

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Pizzas are sized by diameter. What percent increase in area results if Chantel's pizza increases from a 10-inch pizza to a 12-inch pizza?

please help :(

Guest May 18, 2019

edited by Guest May 18, 2019

tertre · Answer 1 · 2019-05-18T09:53:38

A 10-inches pizza has a 5-inches radius.

A 12-inches pizza has a 6-inches radius.

The area of (Pizza 1) is 5^2pi=25pi and the area of (Pizza 2) is 6^2pi=36pi

The percent of the increase is $\frac{36-25}{25}*100=\boxed{44}\%$

Guest · Answer 2 · 2019-05-23T07:49:03

thank you!!!