SOLUTION: nunyamorris@gmail.com thank you for reading this and hope you can answer. If i had two cicles a small one in side a big one. The big one os 30 meters round. The smaller one is

Question 1075790: nunyamorris@gmail.com
thank you for reading this and hope you can answer. If i had two cicles a small one in side a big one. The big one os 30 meters round. The smaller one is 2.5 meters inside the bigger one. How big is the small one? Please
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
If i had two cicles a small one in side a big one.
The big one os 30 meters round.
The smaller one is 2.5 meters inside the bigger one.
How big is the small one?
:
Find the radius of the larger circle

r =
r = 4.77465 meters
The small circle is 2.5 meters inside, therefore
4.77465 - 2.5 = 2.27465 m is the radius of the smaller circle
Does "how big" mean area then
A =
A = 16.25 sq/meters
or does it mean circumference
C =
C = 14.29 meters
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