they all have sides
Why
They are all polygons
triangle
Octagon.
They are plane figures bounded by straight lines.
They are all polygons !
They all have at least one pair of parallel lines
A square has 4 side, a pentagon has 5, and a hexagon has 6.
Square
Why
They are all shapes.
They are all polygons
triangle
the type of shape is a square A Square, An Equalateral Triangle, A Cube, A Hexagon, A Pentagon, A DoDecaHedron, An Octogon, A Decagon. A Square, An Equalateral Triangle, A Cube, A Hexagon, A Pentagon, A DoDecaHedron, An Octogon, A Decagon. A Square, An Equalateral Triangle, A Cube, A Hexagon, A Pentagon, A DoDecaHedron, An Octogon, A Decagon.
Of the four shapes mentioned, the octagon has the most sides. Square has 4 sides, hexagon has 6, pentagon has 5, and the octagon has 8.
Octagon.
A pentagon which has 5 sides.