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CDZ · Answer 1 · 2023-01-14T11:44:10+0000

The area of a circular sector is given by:

$A=(\theta)/(360)\pi r^2$

In this case each shaded part has an angle of 136°, this means that the total circular sector has a total angle of 272°, plugging this value and the value of the radius into the equation above we have:

$A=(272)/(360)\pi(18)^2=769.06$

Therefore the area of the shaded region is 769.06 squared cm and the answer is C.

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