No a parallelogram cant be concave because the only parrallelograms there are arent concave
Parallelograms...*rectangle*square
* rhombus
*rhomboid
Meaning of concave-polygons that have parts that go into the shape.
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yes a parallelogram is a parallelogram
A nonconvex polygon is a concave polygon. All polygons with 4 or more sides can be concave. An arrowhead is an example of a concave quadrilateral. The back of an envelop (where the sides are folded and glued together) is a concave pentagon.
because both lines are paralle so it is a parallelogram
Conclave or concave?
A square is always a parallelogram. Every square is a parallelogram.