A three-dimensional object cannot be built from two-dimensional objects. True or False?

A three-dimensional object cannot be built from two-dimensional objects.





A. True


B. FalseA three-dimensional object cannot be built from two-dimensional objects. True or False?
B. False.





If you take a piece of paper and cut equal-size squares out of the corners, you'll be left with a rectangle with four tabs on the sides. If you fold these tabs upwards, then you've made a three-dimensional box.





Alternatively, you can notice that a cube (a three-dimensional object) can be made from six squares (two-dimensional objects) attached by the edges.





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A three-dimensional object cannot be built from two-dimensional objects. True or False?
False


Isnt it?





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How abour marking as Best Answer?
The sides of a rectangular prism (like a cube) are all rectangles, aren't they ?





The concepts of 'lateral area' and 'surface area' relate two-dimensional measures for three-dimensional structures...






True, since a 2D object has no thickness. Even an infinite amount of them will have no thickness, so they will never form a 3D object.
False: Take a piece of cardboard, cut out the


corners and turn up the edges. You now have a


box, a 3D object!