# Area of polar curves

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##### Intros

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##### Examples

###### Lessons

**Area Enclosed with One Polar Equation**

Find the area of the inner loop of $r=1+2\sin\theta$.- Find the area of the inner loop of $r=1-2\cos\theta$.
**Area Enclosed by two Polar Equations**

Find the Area enclosed outside of $r=4$ and inside $r=9$.- Find the Area enclosed outside $r=1$ and inside $r=1+\sin\theta$.