PLEASE HELP SOLVE. i believe the answer is 50cm^2. can someone help.
1 answer:
Answer:
3 cm
Step-by-step explanation:
So the area of the total circle is:

If you remove the outer band you have the area of the inner circle

This means that the inner circle had an area of
area = pi * r^2
9 pi = pi * r^2
r =

So the radius of the inner circle is 3.
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Answer:
lol the answer is B
You’re answer is
b
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