Mathematics for IGCSE & O level - Geometrical Constructions (Section 2 - No. 27)
What is the definition of a net in 3-D shapes?
The surface area of the object.
A flat shape that can be folded to make a 3-D object.
A 3-D object unfolded.
A model of a solid shape.
Giải thích
A net is a 2D shape that folds up to make the 3D shape.