SOLUTION: The radius of a big outer cirle that is shaded is 6 inches long and the diameter of a small inner circle is 8 inches long. Find the area of the shaded region of the larger outer c

Algebra ->  Circles -> SOLUTION: The radius of a big outer cirle that is shaded is 6 inches long and the diameter of a small inner circle is 8 inches long. Find the area of the shaded region of the larger outer c      Log On


   



Question 1038646: The radius of a big outer cirle that is shaded is 6 inches long and the diameter of a small inner circle is 8 inches long. Find the area of the shaded region of the larger outer circle.
Answer by solver91311(24713) About Me  (Show Source):
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Assuming the 8-inch diameter circle is wholly contained in the 6-inch radius circle and that the shaded area is that part of the larger circle that is not contained in the smaller circle, then the shaded area is the area of the large circle minus the area of the small circle.

Since the diameter of the small circle is 8 inches, the radius is 4 inches. Hence:



John

My calculator said it, I believe it, that settles it