four equal angles
Oh, dude, that's like a square, man. It's a shape that's all about right angles and sides that are totally the same length. So, if you're ever in a geometry jam and need to describe a shape that's super square, just remember, it's a square!
A Rhombus has four equal sides but not (necessarily) four equal angles.
Rectangle
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.
Parallelogram with four right angles and four equal sides is 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 figure with 4 equal sides and 4 equal angles is a square :)
A four-sided polygon with four congruent sides and four equal angles is a square
Four equal sides and four right angles is the definition of a square.
A quadrilateral with four equal sides but no right angles is a rhombus.
A square has four equal angles. It also has four equal sides.