A circle with radius of 9 cm sits inside a circle with radius of 11
1 answer:
Ok so to answer this, we first need to figure out the area of both circles
we will use the formula A=πr²
so our two areas end up being 121π and 81π
now all we do is subtract the smaller from the larger
121π - 81π = 40π
shaded region = 40π
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Answer:
B
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The answer is b because volume=length x width x height
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