Definition: A regular trapezoid is a trapezoid whose non-parallel sides are congruent (of equal length).
Interactivity 1: Regular trapezoid Directions for interactivity
Click and drag the slider buttons to change the size. Click and drag point B to move and point А to rotate.
|Basic formulas for a regular trapezoid with base a , top b и height h are:
Examples for the area and perimeter of a regular trapezoid.
Check the following examples using the above interactivity.
Interactivity 2: Construct a regular trapezoid
The diagonals of a regular trapezoid are congruent (same length).
Click and drag points A and B.
Notice the difference between these and the rules of trapezoids!
- Square, Rectangle
- Parallelogram, Rhombus
- Trapezoid, Kite (Deltoid)?
- Polygon, Quadrilateral
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