Mathematics for IGCSE & O level - Geometrical Constructions (Section 2 - No. 20)
In the context of 3-D shapes, what is a 'net'?
A 2-D shape that can be folded to make a 3-D object.
A 3-D shape that can be unfolded.
A collection of 3-D shapes.
A set of lines
설명
A net is a 2-D shape that folds up to make a 3-D object.