A square.
A rectangle has 4 sides not the same length and 4 right angles.
They can be, but they do not have to be. A rectangle has 4 sides and 4 right angles. Which means a square, which is a type of rectangle, would have 4 of the same length sides.
A rectangle with all sides the same length is referred to as a "square". It's not necessary to specify that it has "4 right angles". If it's a "rectangle", then we already know that.
A rectangle. If the sides are the same size, it's a square.
A rhombus.
Not sure about any heavenly beings, but a rectangle with all sides of the same length is a square.
parallelogram
a rectangle
It is a rectangle.
No, because then it would be a rhombus.
A rectangle the same number of sides & angles. (4 sides & 4 right angles)
Rectangle or square. If all the sides are the same size then it is a square. if not, it is a rectangle.