Quadrilateral - Wikipedia
Simple quadrilaterals. Any quadrilateral that is not self-intersecting is a simple quadrilateral. Convex quadrilaterals
Quadrilateral Shapes - Geometry: Math Games
Learn about quadrilaterals the fun way in this Quadrilateral Shape Shoot Geometry Math Game.
Quadrilateral | Definition of Quadrilateral by Merriam-Webster
The new 2,700-square-foot space feels like a geometric funhouse — quadrilaterals of wood overhead, an enveloping half-circle over the open kitchen, and the hypotenuse of the bar slanting through the lounge.
Quadrilaterals - Square, Rectangle, Rhombus, Trapezoid ...
(Also see this on Interactive Quadrilaterals). Properties. A quadrilateral has: four sides (edges) four vertices (corners) interior angles that add to 360 degrees:; Try drawing a quadrilateral, and measure the angles.
Definition of Quadrilateral - Maths Resources
Math explained in easy language, plus puzzles, games, quizzes, videos and worksheets. For K-12 kids, teachers and parents.
Quadrilateral | Define Quadrilateral at Dictionary.com
A quadrilateral figure that has only two of its four sides parallel.
Quadrilateral Family Tree. Explore rules of quadrilaterals ...
Quadrilaterals classiifed with the classic family tree diagram--roll over each shape(rhombus, rectangle etc..) to see its unique properties.
Math Forum: Ask Dr. Math FAQ: Quadrilateral Formulas
Formulas for finding the area, perimeter, etc. of a quadrilateral.
Diamond Quadrilateral - Wikipedia
The Diamond Quadrilateral is a project of the Indian railways to establish a high speed rail network in India.The Diamond Quadrilateral will connect the four mega cities in India, Delhi, Mumbai, Kolkata and Chennai, similar to the Golden Quadrilateral expressway system.
Polygons - Quadrilaterals - First Glance
A quadrilateral is a four-sided polygon with four angles. There are many kinds of quadrilaterals. The five most common types are the parallelogram, the rectangle, the square, the trapezoid, and the rhombus.