Is that 6 or negative 6? I'll do both situations, as I can't tell (sorry!)
With negative 6:
-6 < 3 < 5
With positive 6:
3 < 5 < 6
Answer:
s X s - formula for area of square.
where two faces meet - Edge
Flat pattern of a 3d shape - Net
Shape with 3 or more sides - Polygon