Question Solved1 Answer -. Find the area of the shaded region if the diameter of the outer circle is 12 ft. and the radius of the inner circle is 3 ft.

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Transcribed Image Text: -. Find the area of the shaded region if the diameter of the outer circle is 12 ft. and the radius of the inner circle is 3 ft.
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Transcribed Image Text: -. Find the area of the shaded region if the diameter of the outer circle is 12 ft. and the radius of the inner circle is 3 ft.
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Area of a circle is = pi *radius ^2. Here we have half cirlce or semi circles so area will be = (pi* radius ^2) ÷2 So we have the area of region as = area covered by bigger semi circle - area covered by smaller semi cirlcle. diameter of bigger circle =12 delta t:. radius ... See the full answer