Two concentric circular regions have radii of 1 inch and 10 inches. What is the area, in square inches, outside the smaller region, but inside the larger region? Express your answer in terms of \( π\).

DewdropDancer Jan 11, 2021

#1**+1 **

I got an answer from here https://answers.yahoo.com/question/index?qid=20090916145105AA3HBsN

We want the whole thing (everything inside the 10-inch radius), minus the smaller circle. Each circle has area A = π r², so:

π (10)² - π (1)² = 99π in² and thier is two more ways to get 99π

-hihihi

😎😎😎

hihihi Jan 11, 2021

#1**+1 **

Best Answer

I got an answer from here https://answers.yahoo.com/question/index?qid=20090916145105AA3HBsN

We want the whole thing (everything inside the 10-inch radius), minus the smaller circle. Each circle has area A = π r², so:

π (10)² - π (1)² = 99π in² and thier is two more ways to get 99π

-hihihi

😎😎😎

hihihi Jan 11, 2021