Everything about types of quadrilaterals
The midpoints of the perimeters of any quadrilateral (convex, concave or crossed) would be the vertices of the parallelogram known as the Varignon parallelogram. It's the next Homes:Inside a convex quadrilateral with sides a, b, c and d, the size from the bimedian that connects the midpoints of the edges a and c isDesigns that do not need four side