Online Interactive Rectangle

Rectangle calculator

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

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°.

Circumference 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