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Bilingual Maths English

A solid that is bounded by polygons, called faces, that enclose a single region of space. Polyhedron
The polygons that enclose the polyhedron Face
A line segment formed by the intersection of two faces of a polyhedron. Edge
A point where three or more edges of a polyhedron meet. Vertex
A polyhedron whose faces are all congruent regular polygons. Regular Polyhedron
A polyhedron with four faces. Tetrahedron
A polyhedron with eight faces. Octahedron
A polyhedron with twelve faces. Dodecahedron
A polyhedron with twenty faces. Icosahedron
A polyhedron with two congruent faces, called bases, that lie in parallel planes. The other faces, called lateral faces, are parallelogram formed by connecting the corresponding vertices of the bases. Prism
On a prism, these are the faces that have only TWO of the same polygonal shape. On a pyramid, these are the faces that have only ONE polygonal shape. Bases
These are the faces that connect the two bases. Lateral Faces
The sum of the areas of its faces. Surface Area of a Polyhedron
A two-dimensional representation of all the faces of a polyhedron. Net
A solid with congruent circular bases that lie in parallel planes. Cylinder
A polyhedron in which the bases is a polygon and the lateral faces are triangles with a common vertex. Pyramid
A solid with a circular base and a vertex that is not in the same plane as the base. Cone
The locus of points in space that are a given distance form a point, called the center of the sphere. Sphere
The point that is equidistant to every point on the sphere. Center of a Sphere
A segment from the center of a sphere to a point on the sphere. Radius of a Sphere