That's true of every rhombus with less than 4 right angles.
Also, every polygon with more than four sides can have 4 equal ones,
but doesn't need to.
Rectangle
The shape you are looking for is a quadrilateral. If you have a square, all angles MUST be right angles. A parallelogram can also have 4 equal sides in length and parallel sides, but a parallelogram doesn't have right angles.
This is a parallelogram called a rectangle. A square has four right angles and four sides that are equal in length.
A shape that has 2 pairs of equal sides and no right angles is a kite or a parallelogram. In a parallelogram, each side is equal to the one directly opposite; in a kite, the equal sides are adjacent to one another.
Any regular shaped polygon has equal angles and equal sides
A rhombus has four equal sides but no right angles.
A shape with 4 right angles and 4 equal sides is a square. ==========================
what shape has 4 right angles and 2 pairs of equal sides?
A square has 4 equal sides with 4 right angles.
Rectangle
Trapezoid :)
octogon
A rectangle has two sets of two equal sides and four right angles.
A rhombus has 4 sides of equal length, opposing parallel sides, and no right angles
Rhombus
A rhombus
octogon