I am assuming that prefer in sphere, over there is one challenge only. In the exact same way, a Cone has actually 2 faces.

Base. I m sorry is circular face.Curved surface ar as shown in the photo below.

You are watching: Does a cone have a face

\$\begingroup\$ The very first link says \$2\$ faces too (read again). The third link says \$1\$ \$flat\$ face. \$\endgroup\$
It relies whether an open up cone or nearby cone. An open cone doesn"t include the circular basic while a near cone includes.

By the way, a nearby cylinder should incorporate two one bases and one curved surface. You may have actually a semi-open cylinder (e.g. Cylindrical pencil stand) which has one base. The core of a toilet document roll has two ends open, that is one curved surface ar only.

P.S.:In calculus texts, a cone is approached through a polygonal pyramid. For this reason a curved surface has actually infinitely plenty of "faces" (that way tiny planes).

In differential geometry or topology, sphere and also torus have inner and outer surfaces while Klein party is one-sided.

A cone has actually a level circular face as that is base, and a curved surface viewed as its curved confront connecting the base boundary to a single point apex... There room two surfaces and an leaf connecting them.

The bent cone surface ar is the sum of one infinite variety of flat triangle faces.

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