Four.
5 surfaces
a triangular prism has 6 vertices.
A pyramid but it can have a base that is different and also a triangle
A triangular prism.
It depends on the unit. You could, for example, measure a prism in cubic metres, cubic centimetres, cubic nanometres.
because it is the cuticle
A triangular prism contains zero curved and 5 flat surfaces.
Four.
5
Three sides (plus ends).
A triangular prism fits the given description
A triangular prism.
... are straight lines where two planar surfaces meet.
They are called faces.
A triangular prism has 5 faces.
A triangular prism has 6 verticies
A triangular prism has five faces.
A triangular prism has 9 edges!