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 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
Define quadrilateral: a polygon of four sides — quadrilateral in a sentence
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.
IXL - Proving a quadrilateral is a parallelogram (Geometry ...
Fun math practice! Improve your skills with free problems in 'Proving a quadrilateral is a parallelogram' and thousands of other practice lessons.
Is a quadrilateral a polygon - Answers.com
Yes, a quadrilateral is a four-sided polygon with four angles. There are many kinds of quadrilaterals.
A quadrilateral with 4 equal sides and 4 right angles?
A quadrilateral with 4 equal sides and 4 right angles is a square.
Area of a quadrilateral Calculator - High accuracy calculation
Calculates the area and perimeter of a quadrilateral given four sides and two opposite angles.
MarkTwain quotations - Profanity
Illustration from the Dave Thomson collection: I sent down...and hired an artist by the week to sit up nights and curse that stranger, and give me a lift occasionally in the daytime when I came to a hard place.