There are no curved edges on a triangular pyramid.
There are no curved edges, but it does stack.
There are no curved edges in a pentagon. Part of the definition of any polygon is that they have straight edges.
The cylinder has 2 edges.
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Two
cylinder has 3 faces,1curved faces,2 flat faces and 2 curved edges
Cylinder
There are two plane faces and a curved face, two edges and no vertices.
no edges but 3 faces.
A section of a cylinder along its length. The cross-section will be a quadrilateral. There will be 4 straight edges where the quadrilateral meets the curved face, and two curved edges from the top and bottom of the cylinder.
A cylinder.
Because a rectangular prism has straight edges whereas a a cylinder has curved edges.
it has 0 curved edges
it has 0 curved edges
triangular prism
Faces: 2 circular, 1 curved rectangular. Vertices (not vertexes!): None Edges: 2 circular.