Question

a rectangle with length all sides same can be called a ___________?

Answer 1

It can likewise be characterized as an equiangular quadrilateral, since equiangular implies that the majority of its edges are equivalent (360°/4 = 90°).

Like a parallelogram, the contrary sides are equivalent long to each other.

It can likewise be characterized as a parallelogram containing a correct point. A square shape with four sides of equivalent length is a square.