Hnh

Step-by-step explanation:

First let's find the circle without the gray area. We would have:

Next let's find the area of the circle with the gray area. We would have:

Now we subtract and get:

HOPE THIS HELPS

a is the correct

false

step-by-step explanation:

the reason i say this is because for a certain length of sides you can pick any two and the length is wither equal or greater than the third side and in this case it's not.

3 + 5 = 8

8 is smaller than 9 which is the third side.

hope this : )