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ZanzabumX [31]
3 years ago
9

A circle with radius of 9 cm sits inside a circle with radius of 11

Mathematics
1 answer:
saul85 [17]3 years ago
8 0
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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