# Online Interactive Rectangle

## Rectangle calculator

Move the points in the grafic or define the point coordinates in the numeric field.

Scale:
Number of digits =

Point coordinates x, y

P1 =
P2 =

Axes ranges

x-min=
x-max=
y-min=
y-max=

### Properties of the rectangle

The opposite sides are equal. The opposite sides are parallel. The diagonals halve each other. All angles have 90°.

### Crcumference of the rectangle

With the side length a = AB = CD and b = BC = DA is the circumference:

$U=2a+2b$

### Area of the rectangle

With the side length a and b is the area:

$F=a*b$

### Diagonal length of the rectangle diagonals

With the side length a and b is the diagonal length given by:

$d=\sqrt{{a}^{2}+{b}^{2}}$

### Screenshot of the Image

Print or save the image via right mouse click.

## Releated sites

Here is a list of of further useful sites:

Index Trigonometric calculations Circle Ellipse Parallelogram Triangle