Geometry Questions

[MathHelp12345]

These problems are really confusing me and I am not sure what they are

 

[lev888]

Please explain. What exactly is confusing and why? Did you miss a class? Did you read the text book? Did you study this topic a long time ago?

 

[MathHelp12345]

Please explain. What exactly is confusing and why? Did you miss a class? Did you read the text book? Did you study this topic a long time ago?

Studied it about a month ago before all of the online stuff began. It is not making much sense now

 

[lev888]

Studied it about a month ago before all of the online stuff began. It is not making much sense now

Let's try #2.
You have a small and a large circle with their radius values given. Can you calculate their areas? Please look up the formula. Given the 2 circle areas, can you calculate the shaded area?