3dimentional figures are solid figures.
Figures are not solid.
Surface, edge, and vertex are the different parts of solid figures.
sides of the solid figure
All solid figures have length, width and height and, conversely, if a figure has length, width and height then it is a solid figure.
Faces on solid figures are like when you look at a square you see a flat wall type surface.
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legos
With a pencil
Because they are both 3 dimensional
Be able to imagine the solid figure as if you are spinning it in your mind. Know every face. To draw a specific view, imagine being a tiny speck of a person standing at that viewpoint. What do you see? It should be a flat, two dimensional figure. For example, imagine a cone. Stand the cone on its base. Imagine that you pick up the cone and look at its base. What is it? A circle. A circle is easy to draw. Then draw it. You have to have a mental picture of every solid figure in your mind unless the solid figure is shown to you. You also must have the ability to picture objects turning in your mind.
To make figures or lines with something