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Area of the parallelogram, formulas and calculator for calculating the area on-line. Formulas for calculating the area of a parallelogram for various initial data are given.

1

## Parallelogram area by base and height of parallelogram

**a**- side

**h**- height

... preparation ...

2

## The area of the parallelogram along the side and the height lowered to this side

**b**- side

**h**

_{b}- height

... preparation ...

3

## The area of the parallelogram on two sides and the angle between them

**a**- side

**b**- side

**α**° - angle between parties

... preparation ...

4

## The area of the parallelogram along the two diagonals and the angle between these diagonals

**d**- diagonal

_{1}**d**- diagonal

_{2}**α**° - Angle between diagonals

... preparation ...

5

## The area of the parallelogram along the inscribed circle and the side

This formula is applicable only for parallelograms, in which a circle can be inscribed. Such a parallelogram can only be a rhombus.

**a**- side

**r**- radius of inscribed circle

... preparation ...

6

## The area of the parallelogram along the inscribed circle and the angle between the sides

This formula is applicable only for parallelograms, in which a circle can be inscribed. Such a parallelogram can only be a rhombus.

**r**- radius of inscribed circle

**α**° - angle between parties

... preparation ...