Find the area of the green sector(s). the diameter is 12.

The answer is B.

The area of a circle is pi x r^2

If the diameter is 12, the radius is 6

3.14 x 36 = 113.04 - that is the area of the whole circle

Then you divide it by two because half of the circle is the green sectors.

113.04/2 = 56.52

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step-by-step explanation:

we need to solve for 'x' the following equation:  

we have that:

⇒

⇒ ⇒

factorizing, we get that:

  ⇒

then, the solutions are: or

nothing extraneous has been found!