### Trapezium

Trapezium in the USA or, trapezoid in the UK is a four-sided plane figure that has only one pair of-parallel straight line segments .

The sum of the internal angles, as well as the exterior angle is always equal to 360 degrees;

The non-parallel sides of the trapezium are called simply sides or legs, while, the two parallel straight line segments are called the bases. Every trapezoid has
two bases

Read full text in **Trapezium.**

To calculate the elements of a trapezoid, enter data as requested. Use the point as a decimal separator. Ex 1,300.32 enter: 1300.32; 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.

### Related Topics

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