The name of the shape is a quadrilateral.
It is usually a regular polygon that has equal sides.
a shape with equal sides
Square. By definition, its sides must all be equal.
There is no specific name for such a quadrilateral.
circle The shape that does not have equal sides is a circle
what shape beginning with i does not have equal sides
i think that a circle is a shape with no equal sides
an equilateral triangle.