# Is there a formula for the area of a regular polygon of side #a# having #n# sides?

and the polygon area is given by

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Yes, the formula for the area ( A ) of a regular polygon with side length ( a ) and ( n ) sides is:

[ A = \frac{n \times a^2}{4 \times \tan\left(\frac{\pi}{n}\right)} ]

Where:

- ( n ) is the number of sides,
- ( a ) is the length of each side, and
- ( \tan ) denotes the tangent function.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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