QUADRILATERALS

There are plygons with four sides and four angles .

PARALLELOGRAMS 

 They are quadrilaterals with two sides of parallel opòsite egual sides and two pairs opposite equal  angles.

TYPES

SQUARE                                                                                                    RECTANGLE
4 parallels line two by                                                                           4 sides parallel 2 by 2.
two.                                                                                                        4 angles equals 90º .
4 angles equals 90º .                                                                               2 diagonals
2 diagonals perpendicular.                                   

                                                                     

   


RHOMBUS                                                                                    RHOMBOID
4 sides equals, parallels 2 by 2                                                  4 sides equals 2 by 2  , 2 angles equals  
2 diagonals                                                                                  2 by 2