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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 :(

 May 18, 2019
edited by Guest  May 18, 2019
 #1
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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 \(\frac{36-25}{25}*100=\boxed{44}\% \)

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 May 18, 2019
 #2
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thank you!!!

 May 23, 2019

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