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How does a 3D object differ from a 2D object?
Well, a 2D object has only length and width, but a 3D object has length, width, and depth.
Why cylinder is not a 2d object?
A cylinder is not a 2D object because it has three dimensions - length, width, and height. It has a circular base and a curved surface, which give it depth. A 2D object would only have two dimensions and would lack any depth or thickness.
How is a pyramid and triangle different?
a pyramid is a 3D objecta triangle is a 2D object
What is a cross section in math?
The cross section, of a 3D object, is the 2D shape made when a 2D plane cuts across the 3D object. Often "cross section" refers to the shape made when the plane is at right angles to an axis of the 3D object but this need not be the case.
What does it mean by draw nets for a cube?
Fold our your 3D cube and measure all the way around it. If it is a 2D shape then measure around that. By G2010
