Some do, some don't. A regular polyhedron such as the tetrahedron has none whereas an irregular one like the parallelepiped can have several.
no, there are only two faces and one is curved therefore cannot be parallel in order for the cone to eventually come to a point, there cannot be any perpendicular faces
There are a few simple shapes with equal sides. The basic shapes are a square, octagon, and an equilateral triangle,
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here are some: 2d shapes- square circle triangle Rectangle 3d shapes- cone cuboid cube prism
A kite, if the topmost angle is right and none of the others are.
a right triangle, a pentagon w/ a right angle, alot of shapes with right angles.
Some shapes can have 19 edges but not most shapes.
Some do, some don't.
Some do, some don't. A regular polyhedron such as the tetrahedron has none whereas an irregular one like the parallelepiped can have several.
all right some body said that Ellipse Circle Oval but parallel shapes need to have lines so they are not parallel shapes so all i know that are not parallel is a diamond and a rhombus
Railroad tracks or the number 11 are parallel lines. A cross or a small t are perpendicular lines. Also the two ll's in the middle of parallel are parallel lines.
no, there are only two faces and one is curved therefore cannot be parallel in order for the cone to eventually come to a point, there cannot be any perpendicular faces
Some of them do. Such cups are usually called mugs.
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 3 quartet of parallel edges and one sextet.
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 3 quartet of parallel edges and one sextet.
A polygon need not have ANY perpendicular or parallel lines. For example, consider an equilateral triangle. It can happen that two sides of a polygon, extended if necessary, meet at a point where they form a 90 degree angle. Those two lines are perpendicular. There may be pairs of lines such that, no matter how far you extend them in either direction, they will never meet. Such lines are parallel. A triangle cannot have parallel lines but it can have perpendicular lines. Any polygon of 4 or more sides can have sides that are perpendicular or parallel (or some of each).