An object thrown upward at an angle
An object that's thrown horizontally off a cliff and allowed to fall
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Area is a two-dimensional measurement. It tells you how big a two dimensional object is or how large the surface of a three-dimensional object is.Volume is a three dimensional measurement. It tells you how big the inside of a three-dimensional object is or how much a three-dimensional object can hold inside.
A two-dimensional object is an object that can be drawn on a flat sheet of paper. It's called "two-dimensional" because it has 2 dimensions . . . length and width, but no height.
A polyhedron is a three-dimensional object, not two-dimensional.
A cube is specifically a three-dimensional object in geometry and therefore cannot be two-dimensional.
That's more of a statement than a question. It's also a false statement. You can build a three dimensional object from two dimensional objects, if you have an infinite number of them.