Shapes

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Quadrilaterials

A quadrilateral is simply a shape with 4 sides and 4 angles. Some common quadrilaterals include, rectanges, where all opposite sides are parallel and all angles are 90 degrees. There are also squares, which are a type of rectange but all 4 sides and angles are equal.


Another common quadrilateral is the trapezoid, or trapezium, where only one pair of opposite sides are parallel.


Finally there is the kite, where the top two sides are equal and the bottom two sides are equal.


There are many more quadrilaterals but these are just the main ones which I have shown you.

Lessons:


Irregular and Regular Polygons
Types of Triangles
Quadrilaterals