High Five Facts - Square

The video presents five key facts about squares: they are quadrilaterals with equal sides, they are 2D shapes with a 3D counterpart being a cube, all their corners are right angles, their perimeter is calculated by multiplying one side by four, and their area is found by squaring the length of one side. The video concludes with encouragement to apply these facts in calculations.

What new insight or understanding did you gain from this video?