A rhombus, or its special case, the square.
A rhombus is sometimes an equilateral
An equilateral parallelogram is a rhombus.
It means that the figure is equilateral. Equilateral does not mean regular. For example, a rhombus has equal sides but it is not a regular quadrilateral.
An equilateral parallelopiped, each of whose face is a rhombus.
An equilateral parallelogram is called a rhombus.
A rhombus is never a rectangle. A rhombus has four sides that are equilateral whereas with a rectangle the two sides are equilateral and the two ends are equilateral.
Yes, a rhombus is an equilateral parallelogram.
A rhombus is an equilateral parallelogram. As such, it is neither concave nor convex.
A rhombus.
a rhombus
A Rhombus