An octahedron is a closed 3-d shape with 8 polygonal faces. There are 257 topologically different convex octahedra. Some of these have no parallel sides whereas a right hexagonal prism has 3 quartet of parallel sides and one sextet.
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It can, but it need not have parallel lines.
The 12 edges of a regular octahedron consist of 6 parallel opposite pairs. In fact, the 12 edges form 3 squares.
Infinite
There are 257 topologically different convex octahedra. Many of these will have no parallel faces. It can have four pairs of parallel faces.
how many sets of parallel lines are in a triangle
It can, but it need not have parallel lines.
The 12 edges of a regular octahedron consist of 6 parallel opposite pairs. In fact, the 12 edges form 3 squares.
An octahedron has 7 perpendicular lines.
Well, darling, an octahedron has 12 edges and 8 faces. So, to answer your question, it has zero parallel edges and faces. But hey, who needs parallel when you've got those sharp angles and sleek lines?
An octahedron is a closed 3-d shape with 8 polygonal faces. There are 257 topologically different convex octahedra. Some of these have no parallel sides whereas a right hexagonal prism has 3 quartet of parallel sides and one sextet.
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Infinite
Not necessarily. A heptagon-based pyramid is an octahedron and it has no parallel faces.
There are 257 topologically different convex octahedra. Many of these will have no parallel faces. It can have four pairs of parallel faces.
An octahedron is a closed 3-d shape with 8 polygonal faces. There are 257 topologically different convex octahedra. Some of these have no parallel edges whereas a right hexagonal prism has 4 pairs of parallel faces.
its has parallel faces and edges
A triangle can have no parallel lines.