A square-based pyramid
You must provide us with the shape and dimensions of the solid figure.
Apart from the fact that there is no such word as verticle, there cannot be a solid that meets the above description. According to the Euler characteristic, simply connected polyhedra must satisfy:Faces + Vertices = Edges + 2Apart from the fact that there is no such word as verticle, there cannot be a solid that meets the above description. According to the Euler characteristic, simply connected polyhedra must satisfy:Faces + Vertices = Edges + 2Apart from the fact that there is no such word as verticle, there cannot be a solid that meets the above description. According to the Euler characteristic, simply connected polyhedra must satisfy:Faces + Vertices = Edges + 2Apart from the fact that there is no such word as verticle, there cannot be a solid that meets the above description. According to the Euler characteristic, simply connected polyhedra must satisfy:Faces + Vertices = Edges + 2
All solid figures must have a face. The face need not be planar, but there must be at least one which forms the boundary between the solid and the rest of the universe.This is somewhat an issue of semantics. A sphere has no edges so some would not say the term face applies to it at all. It does have a surface and you can certainly define that as its face. The point being, it depends on how you define "faces" and it may depend on your context as well.
A Platonic solid is a regular, convex polyhedron. The same amount of edges must meet at each vertex, all the faces need to be uniform, and all the dihedral angles must be the same.
A (genus-0) polyhedron must satisfy Euler's formula: V + F - E = 2. Setting V, E, F equal to the same value, say, X, we get X + X - X = 2 X = 2. A solid with two edges, vertices and faces is called a "digonal hosohedron", but it is not usually considered a three-dimensional figure, in euclidean space.
Any Polygon can be a regular figure, if the figure has all straight sides and edges, with all the same length. If the decagon had all straight edges, sides, and same lengths of sides, it would be a regular figure. Otherwise, it would not, and would be an irregular Decagon. * * * * * That is not a correct answer. Any polygon, by definition MUST have all straight sides (which are the same as edges). What makes a polygon regular is that all the sides are the same length AND that all the interior angles are the same measure. Both these conditions must be met.
A polyhedron is in a subclass of geometric solids. The difference is that a polyhedron must have flat faces and straight edges.
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It is a rhombus
A pyramid cannot have 13 edges: it must have an even number of edges.
-- You can only do one solid figure at a time. -- Pick one solid figure to work on. -- Stare at it for a while. In your mind, look at all of its flat faces, even the ones you can't see in the picture. -- One at a time, write down the area of each flat face. -- When you have them all, add up all the areas of the flat faces. -- The sum of all the faces is the area of the whole solid figure. If you're doing this in the second grade, then you must be pretty smart. I'm proud of you.
must all edges of semiregular polyhedron be the same length