﻿ Parallelogram: - on line calculation, formula - FORMIAX ﻿

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# Parallelogram - perimeter and area

P = 2 * a + 2 * b

A = a * v

A = area

P = perimeter

a = side "a"

b = side "b"

h = height

## WHAT IS IT ?

A parallelogram is a four-sided polygon, or quadrilateral, with opposite sides that are parallel and equal in length. The properties of a parallelogram include opposite angles that are equal, and adjacent angles that are supplementary (sum to 180 degrees). The diagonals of a parallelogram bisect each other but are not necessarily equal. Examples of parallelograms include rectangles, rhombuses, and squares. Parallelograms are fundamental shapes in geometry and have various applications in mathematics, design, and engineering.

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## CALCULATION:

Enter unit e.g.: inch

Enter side "a"

Enter side "b"

Enter height "h"

Enter the number of decimal places

## EXAMPLE:

Sides of the parallelogram are, for example, a is 8 cm, b is 6 cm, and height h is 4 cm. Thus

a = 8,

b = 6,

h = 4.

perimeter of the parallelogram:

We use the formula

C = 2 * a + 2 * b

thus

C = 2 * 8 + 2 * 6

C = 28 cm

area of the parallelogram:

We use the formula

A = a * h

thus

A = 8 * 4

A = 32 cm2

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