Its an eqaulateral tringle
it is a 3D shape with 8 faces 8 edges and 6 vertices if you want a picture of it type in pcures of 3D diamonds.
Many 3d shapes have a corner.
A 12 sided 3D shape is a dodecahedron.
A tridekahedron is a 3D 30 sided shape.
A cut diamond is a 3D object as it has length, width and depth (even if it is roundish like a pebble)
2d
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.
Yes but the correct term is octohedron
Its an eqaulateral tringle
it is a 3D shape with 8 faces 8 edges and 6 vertices if you want a picture of it type in pcures of 3D diamonds.
A cylinders
Wheel is a "Toroid" shape which is like a donut.
A parallelogram in 3D looks like a flat, four-sided shape where opposite sides are parallel. It can appear as a slanted rectangle or a diamond shape depending on the orientation of the sides. The angles between the sides can be acute, obtuse, or right angles.
A sphere or a globe is a 3D circular shape
It depends on the 3d shape.
It is not a 3D shape.