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Fill in the blanks to give polar inequalities describing each of the regions below. The two angles that you enter should be between 0 and $2\pi$ .
The region below is described by the polar inequalities

$\leq\theta\leq$

$\leq r \leq$

Hint

How much of the circle is shaded when starting at the angle $0$ ? What are the radii of the inner and outer circles?

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