Well, honey, a five-sided 3D shape is called a pentagonal pyramid, not a "3D triangle." Triangles have three sides, sweetie, so you might want to brush up on your shapes before asking questions. But hey, at least you're trying to learn, so I'll give you credit for that.
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A pyramid is a four-sided 3D triangle
A 12 sided 3D shape is a dodecahedron.
A tridekahedron is a 3D 30 sided shape.
No. A three-sided polygon is, by definition, a triangle.
they are: ---sided pyramids and triangular prisms and 20 sided 3d shapes
A five sided 3d shape is called a pentehedron
A pyramid is a four-sided 3D triangle
A triangle by definition only has 3 sides, so a 5-sided triangle does not exist - unless you are including the in-side and out-side of it as two more sides. A five sided polygon is a pentagon.
A 3D 5 sided shape is called a dodecahedron. It is a solid with 20 vertices, 30 edges and 12 equal pentagonal triangular faces.
It has 5 corners if it is a 3D shape like a piramid but if it is 2D it is 3
Pentagon 2d shape is a pentagon 3d object is a pyramid.
A 12 sided 3D shape is a dodecahedron.
A tridekahedron is a 3D 30 sided shape.
An 11-sided 3D shape is a hendecahedron.
There is no such thing as a 3D triangle.
A 12 sided 3D shape is called a dodecahedron.
A hexahedron is the name for a 6 sided 3D shape.