9. Find the measure (in radians) of the central angle. The number inside the sector is the area. 8 sq units 4

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A: The solution is :

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A:

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A: Here we have to find the area of shaded region.

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A: Explained below

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A:

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A:

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A:

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A:

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A:

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A: Given:   To determine: value of x.

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A:

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A:

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A: first we get area of circle than use ratio

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A:

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Q: 20. The radius of the circle Answer choices and input O vio O 2/10 O 3/10 O 4/10

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