kindaweirdperson kindaweirdperson
  • 23-09-2018
  • Mathematics
contestada

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

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jg71
jg71 jg71
  • 23-09-2018
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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cakotobamfo cakotobamfo
  • 26-09-2021

Answer:

40pi

Step-by-step explanation:

Khan Academy make sure to add pi or else you will get it wrong

Answer Link

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