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Which 3-dimensional figure has exactly 0 pairs of parallel faces?
Tetrahedron
Why does not a tetraheron have one pair of parallel faces?
Each face of a polyhedron is a polygon which has at least three straight sides; all the polygons of the polyhedron join along one of their sides to another polygon to form the edges of the polyhedron.Now consider when you have two parallel faces of a polyhedron:They do not meet (as they are parallel) and so have no side in common to form an edge of the polyhedron;There must be at least three sides to each polygon which means there must be at least three more polygons to join the two faces together (one for each side of the parallel faces);Thus there are at least 2 + 3 = 5 faces to the polyhedron, ie the polyhedron has 5 or more faces.A tetrahedron has 4 faces which is less than 5 faces.Thus two of the faces of a tetrahedron cannot be parallel.The smallest polyhedron which can have a pair of parallel faces is a pentahedron with two triangular parallel faces and three quadrilateral faces joining them (for example a tetrahedron with one corner cut off by a plane parallel to the opposite face).
How many parallel faces does a rectangular prism have?
A rectangular prism has six faces, and each pair of opposite faces is parallel to each other. Therefore, a rectangular prism has three pairs of parallel faces.
What figure has 6 facesall of the faces are congruent with 3 pair of faces that are parallel?
A cube.
What 3 d shape has one pair of parallel faces?
A cylinder
Does a triangular prism have 3 pairs of parallel faces?
No. it could only have one pair of parallel faces. The cross section is triangular.
3d shape 5 faces pair of parallel faces 3 of the faces are the same shape?
a triangular prism easy
Which 3-dimensional figure has exactly 1 pair of parallel faces?
Cylinder
Is it true that a tetrahedron has 3 corners and 4 faces?
no a tetrahedron actually has 5 sides and 5 faces
What is a 3-dimensional geometric shape with 7 faces and just one pair of parallel faces?
A pentagonal prism.
How many pairs of parallel faces does a cuboid have?
A cuboid has 6 faces, and each face has a pair of parallel faces. So, a cuboid has 3 pairs of parallel faces. Mathematically speaking, that's the tea, honey.
What are pairs parallel faces?
In a polyhedron - a 3-dimensional object - a pair of parallel faces are two faces which lie in planes that are parallel to each other.Parallel faces need not be congruent. For example, consider a pyramid whose top is sliced off by a plane parallel to it base. The flat top and the base will be parallel faces but will not be congruent.
