I don't know silly!
A square!
A square
No because it is flat 2d shape with 4 equal sides
A quadrilateral rectangle or a square
A square and rectangle both have congruent triangles in them.
It's a 2D shape.
A square!
square,
take, for an example, a duck. This is a 3d shape because it has three dimensions. Compare this to a square, which is 2d. the difference is that the duck has a beak, and the square does not.
Square
4
A square
a square does
a square
square
It is a 3 dimensional shape
equilateral square or triangle