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laila [671]
3 years ago
13

find the area of the shaded regions. Give your answers as a completely simplified exact value in terms of pi. (no approximate)

Mathematics
1 answer:
Zigmanuir [339]3 years ago
3 0

Answer:

Take out the area of the full circle first:

A= pi r^2

A= 3^2 x pi

A= 28.274 cm3

Area of smaller cirlces:

A= pi r^2

A= 1^2 x pi

A= 3.14159

Multiply by 2 as 2 circles: 6.28318

Substract unshaded from shaded: 28.274-6.28318

Area of shaded is 21.99082 cm3

Step-by-step explanation:

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