Square
in 2d shapes a quadrilateral
Any 4 sided 2D shape
A quadrilateral is a 2D shape that has 4 sides
A 2D shape that has four sides and is thirteen letters long is a quadrilateral.
A square!
Trapezium
4
square
That would be a square :D
A 2D square □
It is a rhombus that has 4 equal sides but is not a square
It is a rhombus that has 4 equal sides but is not a square