Areas Index
# Area of a Nonagon Formulas & Calculator

## Formula Knowing the Perimeter and the Apothem

### Where:

## Nonagon Definition

## Apothem Definition

## Area Definition

## Formula Definition

The area of a nonagon can be calculated using the following formula: if you know the perimeter and the apothem.

If you know the length of the perimeter in a nonagon and the apothem, you can calculate its area using the following formula:

$$"area" = (p * a)/2 $$

$$p = "perimeter value"$$

$$a = "apothem: distance from the center to the closest point in the figure"$$

It is a geometric figure with 9 sides, all the sides have equal length. Also a nonagon has all the same angles. all regular nonagons look the same.

An irregular nonagon can have vitually infinite posibles shapes, Despite this all have 9 sides.

The apothem it´s the distance between the center of the geometric figure and the closest point in the figure to the center.

It is the space of the internal surface in a figure, it is limited for the perimeter. Also, the area can be calculated in a plane of two dimensions.

It is a representation of a rule or a general principle using letters. *( Algebra, A. Baldor)*

When describing formulas in plural, it is also valid to say "formulae".

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