# What is the area, in square inches, of a regular octagon with 9-inch sides if the distance from the center to any vertex is 10 inches?

In a regular octagon,

Given that

The area of a regular Octagon can be found using the the following formula :

1) If

2) if

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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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