Areas Index

# Area of a Hendecagon Formulas & Calculator

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

## Formula Knowing one Side and the Apothem

If you know the length of one side in a hendecagon and the apothem, you can calculate its area using the following formula:

### Where:

$$p = "perimeter value"$$

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

## Hendecagon Definition

A regular hendecagon is a shape or figure that is represented for eleven sides.

The irregular hendecagon can have vitually infinite posibles shapes, despite this all have 11 sides.

## Apothem Definition

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

## Area Definition

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.

## Formula Definition

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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