Formula Index

# Perimeter of a Trapezoid & Calculator

The perimeter of a trapezoid can be calculated using one of the following formula: if you know the length of each side.

## Formula Knowing the Bases and one Side

If you know the length of one of the sides, you can calculate its perimeter using the following formula:

$$"perimeter" = a + b + c + d$$

Perimeter of a Trapezoid

Perimeter result

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### Where:

$$a = "length of the "a" side"$$
$$b = "length of the "b" side"$$
$$c = "length of the "c" side"$$
$$d = "length of the "d" side"$$

## Trapezoid Definition

It is a geometric figure with 4 sides, it has two parallel lines. All trapezoids have different angles.

A trapezoid can have vitually infinite posibles shapes, Despite this all have 4 sides and all this angles are different.

## Perimeter Definition

A perimeter is defined by the outer path of a shape. The shape is always in 2 dimensions. The perimeter is the total length of the exterior path. Another way of looking at this is to think of it as the boundary length of a shape.

In the case of a circle, the perimeter is called a circumference.

Perimeter has a Greek origin, "peri" means "around", and "meter" means "measure". So perimeter means "measure around".

## 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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