A figure with four equal sides and no right angles is a rhombus. A rhombus is comprised of two acute angles and two obtuse angles.
A four sided figure with four equal sides and no right angles is a diamond, or a rhombus. If it had four right angles, it would be a square.
A square is a plane geometric figure having 4 equal sides and 4 right angles.
A parallelogram can have four equal sides that will not meet at right angles. The term diamond can also be used in this context.
A figure with 4 equal sides and 4 equal angles is a square :)
four equal sides set at right angles
A square, of course.