A rectangle is a quadrilateral, a plane closed figure with two pairs of parallel straight lines and four right angles.
The rectangle has two diagonals of the same size that bisect each other.
To calculate some elements of a rectangle, enter two elements to find the others. use the point as a decimal separator. Ex 1,300.34 enter: 1300.34,
The results will be shown after a click on Calculate
Note: The accuracy of the calculator and its applicability to particular cases is not guaranteed.
Right Triangle Isosceles Triangle Equilateral Triangle Scalene Triangle Square Rectangle Trapezium Right-Angled Trapezoid Isosceles Trapezoid Rhombus Regular polygon Polygon names Circle Pyramid Triangle pyramid Square pyramid Rectangular pyramid Cube Prism Rectangle Prism Cone Cylinder Sphere Ellipse Parabola Hyperbola