isoceles triandle, square
2d shapes that do not have equal sides do not usually have special names.
rectangle
The Correct Answer is Irregular
Square and rhombus.
Squares
Squares
There are infinitely many 2d shapes. They can have 1 side (a circle or ellipse) to infinitely many. They can have sides that are straight or not, the sides can be equal or unequal in length, the angles can be equal or unequal, etc.
Squares
The only similarities between these shapes are that:These shapes have all congruent interior anglesObviously, the shapes are regular and have equal sides.
Triangles
A septagon or a heptagon
Hectogon