Solid geometry.
A net is a 2D representation of a 3D shape
in 2D, a heptagon in 3D, a heptahedron
YES!!! Any 'solid' object is 3-dimensional.
Platonic solids are 3D shapes formed using only regular shapes. Only 1 type of regular shape is used to make a platonic solid. Platonic solids are the simplest and purest form of 3D shapes.
A solid.
Solid geometry.
A solid.
A solid
Yes it is. Anything that is 3D is usually a geometric solid. (Think)
It is a volume (3D) shape - "solid" has nothing to do with it.
triangular prism.
A net is a 2D representation of a 3D shape
in 2D, a heptagon in 3D, a heptahedron
An octahedron is a 3D shape with 8 sides.
cube
A 12 faced object or solid