It is an irregular polygon
There is no specific name for a polygon in which all the angles are different or where the sides are all different.
square?
An irregular polygon.
triangel
That is called a regular polygon.
A polygon that has congruent sides and congruent angles is called a Regular polygon. If the number of sides is given, you can be more specific. Some examples: 3 congruent sides/angles = equilateral triangle 4 congruent sides/angles = square 5 congruent sides/angles = regular pentagon 6 congruent sides/angles = regular hexagon ...and so on, by adding "regular" in front of the shape's name.
Decagon.
An irregular polygon.
Hexagon.
There are infinitely many quadrangles - all of which are polygons - that have sides of different length and angles that are not right angles. There is, however, no specific name for such quadrangles because there are so many different possible shapes.
by every letter on the vertex or side you can put a letter and that will name the polygon.
A rhombus