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