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pyramid (not including the vertex) Prism
A pyramid could be constructed from 4 or more triangles.
It depends on the shape. The number of edges, alone, is not enough to determine a unique shape.
A straight line.A straight line.A straight line.A straight line.
Any triangular structure. The triangle is used in building structures like towers and bridges because the three sides of a triangle, when locked together at their ends, are very strong and do not change shape. It's one of the most important shape in constructions. The circle is another important shape too.
More complicated polygons.
a cone (not including the vertex) and a cylinder
sphere
Disc shaped.
pyramid (not including the vertex) Prism
A pyramid could be constructed from 4 or more triangles.
biconcave (A.N)
Most bacterial have the same shape, and there are millions of different species of bacteria. Try and differentiate a bag of marbles by shape alone.
actually not all are constructed in v shape,, sometimes its u shape, somtimes its semi circular, usually v canals are used for ditch canals, or as temporary ditch. it is a dug up soil formed in v shape in order to create a canal for storm water. it was formed v on order to avoid the soil at sides of canal to erode
Pyramids are constructed from triangular shapes and can have square or triangle bases
Standard ceramic disc capacitors are constructed from two metallic electrodes separated by a very thin ceramic disc (serving as the dielectric) inside of a protective coating such as epoxy or other resin. The ceramic disc is produced from finely ground powders sintered at extremely high temperatures.
Half a torus - a donut cut into a semi-circular disc.