The sum of the areas of each face of the solid.
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c. the surface of a flat table. just took the test
Point
A triangle, but only if the line segments are straight.
A polygon is a 2-dimensional shape with 3 or more sidesa closed plane figure with three or more sides that are straight
The solid figure having eight vertices is the hexahedron. A cube, which has six faces (classifying it as a hexahedron) as well as the eight vertices, is a regular hexahedron. It is doubtless the best example of this category of geometric shapes. A link can be found below for more information, and some drawings to really help lock in the idea.