A square.
You don't tell us enough information. In a square, there are four sides and four angles. The sides are all equal and the angles are all right angles. In a rectangle, there are four sides and four angles The opposite sides are equal and the angles are all right angles. There is no other shape in which all angles are right angles.
A quadrilateral with four equal sides but no right angles is a rhombus.
four equal 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.
Rectangle
A square has four right angles and all sides are equal.
Four equal sides and four right angles is the definition of a square.
Parallelogram with four right angles and four equal sides is a square.
A rectangle has two sets of two equal sides and four right angles.
Yes because it has four egual right angles if it has four equal sides.
A rhombus has four equal sides but no right angles.
A polygon with four equal sides and no right angles is called a rhombus. In a rhombus, all sides are of equal length, but the angles are not necessarily 90 degrees; they can be acute or obtuse. This characteristic distinguishes it from a square, which has both equal sides and right angles.