## How to Remember Quadrilaterals

Can you tell me how to remember Quadrilaterals? Bi means two, tri means three, quad means four. I knew that much. Quadrilateral simply means four sides with four angles. It is hard to make a triangle with four sides unless you’ve tacked on a tail. A quadrilateral has to have two dimensions, so no 3D. Its sides have to be straight. At that point, it is a squiggly. Quadrilaterals with four equal sides are a square if a right angle,

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