Mathematics for IGCSE & O level - Geometrical Constructions (Section 2 - No. 12)
What does the word 'net' represent in 3-D shapes?
A solid 3-D shape
A folded 2-D shape
An open shape.
A group of triangles
설명
A net is a 2-D shape that can be folded to make a 3-D object.