another name is the transaction
Countries stuck together can be referred to as "landlocked countries." This term describes countries that are surrounded by land on all sides and do not have any coastline or direct access to the sea.
In general, if they fit together without gaps or overlaps at the centre, the resulting shape will be a convex nonagon. If, in addition, the three diamond shapes are congruent then the shape is a regular hexagon.
another name for moon soil. breccia. a kind of rock found on the moon that is made up of older rocks stuck together.
The name of the shapes formed are triangles.
A ball is a sphere in shapes.
Tangrams
"stuck together, torn apart"
an octahedron: basically two square based pyramids with their bases stuck together.
If the sides of the figure have alphabetic labels, then you can name the figure by stringing all the alphas together, e.g. pentagon ABCDE and rectangle TUVW etc.
Shapes with straight sides are called polygons
Its name is a rhombus.