Rhombus
"What polygon has 5 unequal sides?" An irregular pentagon is a polygon that has 5 unequal sides.
a quadrilateral trapezoidA polygon with four unequal sides is a quadrilateral, as is a square, rectangle, trapezoid and parallelogram.
It is classed as an irregular polygon when it has unequal sides.
quadrilateral
A polygon whose sides are not equal is known as an irregular polygon. A regular polygon has equal sides and angles.
Rhoumbus
There is no specific name for a four-sided polygon with unequal sides.
The polygon with four unequal sides is known as a trapezium. Outside of North America is called a general irregular quadrilateral.
A rhombus
A polygon whose sides are unequal is called an irregular polygon. It may then be further described as being concave or convex.
A regular polygon has equal angles AND sides.