Shapes having less than 4 sides or more than 4 sides are not parallelograms
No but they are all quadrilaterals
No trapezoids are parallelograms, and no parallelograms are trapezoids.
You could use two isosceles triangles, or two parallelograms with one pair of sides half as long as the other, suitable trapeziums (trapezia?). There are also lots of irregular shapes.
It is NOT as case of 'Some'. It is ALL rectangles are parallelograms.
Parallelograms are squares is sometimes true. Squares are parallelograms is always true. Rhomboids are parallelograms is also always true. So not all parallelograms are squares but some are.
No because all 4 sided shapes are quadrilaterals which includes parallelograms
parallelograms, and rectangles (parallelograms)
A square and a rhombus are two special forms of parallelograms.
Geometric
A rectangle, square, rhombus, and rhomboid are all parallelograms.
Parallelograms.
no
Yes all parallelograms belong to the 4 sided shapes known as quadrilaterals
squares, rectangles, rhombuses
Parallelograms are 4 sided shapes that belong to the class of polygons known as quadrilaterals
No but they are all quadrilaterals
No, parallelograms are specific to quadrilaterals (shapes with 4 sides).