leighweaver07
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Please help me if you know, I would appreciate if you could explain how to do this!

In the figure, the area of the shaded region is 299π cm²
What are the exact areas of the inner and outer circles?
Also, the answers need to be in cm^2

Please help me if you know I would appreciate if you could explain how to do this In the figure the area of the shaded region is 299π cm What are the exact area class=

Respuesta :

Answer:

See answers below

Step-by-step explanation:

Entire outer circle area = pi r^2   = pi 18^2 =  324 pi cm^2

   if you subtract the small unshaded circle you get 299 pi

    324 pi  - smaller circle = 299 pi

      smaller circle = 25 pi  cm^2

         

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