Property : Figures having 3 sides
Shapes having it: 1, 3
Shapes not having it: 2, 4, 5, 6, 7, 8, 9, 10

Property : Figures having 4 sides
Shapes having it: 2, 4, 5, 6, 7, 8
Shapes not having it: 1, 3, 9, 10

Property : Figures having at least one right angle
Shapes having it: 3, 4, 8
Shapes not having it: 1, 2, 5, 6, 7, 9, 10

Property : Convex Figures
Shapes having it: 1, 3, 4, 5, 6, 7, 8, 9, 10
Shapes not having it: 2

Property : Polygons
Shapes having it: 1, 2, 3, 4, 5, 6, 7, 8
Shapes not having it: 9, 10