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There is no polyhedron with only three sides - a polyhedron being a 3-D shape with plane sides. Once you remove the restriction of plane sides you get several options, some of which are:
A cylinder or a cylindrical shape with partial spheres at each end (like a medicine capsule).
A segment of a torus (a doughnut with a chunk cut out of it).
A spherical wedge - like a segment of a round cheese (that is, real cheese, not the processed plastic that some people consider cheese).
What else can I help you with?
Name of a 11 sided 3D shape?
a henagon is an 11 sided 2-D shape and a 3-D is called an hendecahedron.
Is a Heptagon a 3D shape?
NO!!! It is a seven(7) - sided 2-dimensional polygon. A Heptahedron is a seven(7) -sided 3-dimensional object.
What is a 12 with pentagon sided 3d shape called?
A dodecahedron is a 3-d shape with 12 faces that are regular pentagons.
Name of 5 sided shape?
A 5-sided 2-dimensional figure is a pentagon and a 5-sided 3-dimensional shape is a pentahedron.
Is a rhombus a 3d shape or a 2d shape?
A rhombus is a four sided polygon, a quadrilateral. It is a 2d shape. 2d shapes have 2 dimensions, like length and width. 3d shapes have 3 dimensions, like length, width and depth.
Name of a 11 sided 3D shape?
a henagon is an 11 sided 2-D shape and a 3-D is called an hendecahedron.
Is a Heptagon a 3D shape?
NO!!! It is a seven(7) - sided 2-dimensional polygon. A Heptahedron is a seven(7) -sided 3-dimensional object.
What is a five sided 3D shape called?
A five sided 3d shape is called a pentehedron
14 sided 3d shape?
A 14-sided and 3-dimensional shape is called either a tetrakaidecahedron or tetradecahedron. This 14-sided polyhedron can have six quadrilateral and eight hexagonal faces.
18 sided 3d shape?
An 18 sided shape is called a octadecagon. This refers to both 2 dimensional and 3 dimensional shapes in a mathematical sense.
What is a 12 with pentagon sided 3d shape called?
A dodecahedron is a 3-d shape with 12 faces that are regular pentagons.
How many corners does a 3 sided triangle have?
It has 5 corners if it is a 3D shape like a piramid but if it is 2D it is 3
What is the name for the 8 sided shape?
An octagon is an 8 sided 2 dimensional shape. A cylinder with the base of a hexagon (6 sided shape) would be an 8 sided 3 dimensional shape.
Name of 5 sided shape?
A 5-sided 2-dimensional figure is a pentagon and a 5-sided 3-dimensional shape is a pentahedron.
What is the name for a 3 sided shape?
Typically this is called a triangle. :)
What is a 3 to 4 sided shape called?
A 3 sided shape is a triangle. A 4 sided shape could be a square or rectangle.
What part of speech is triangle?
It is a noun- the name for a 3 sided shape.
