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It is impossible to count the edges of a 3d anything. A cone is 3D anyway so it is impossible. Another reason it is impossible to count the edges is that a cone is made out of circles. If you drew a 2D cone, it wouldn't be a cone anymore, it would be a triangle. So, in essence, a cone is a tri-agnle which has three sides; but a cone is 3D and, as I said before, the edges cannot be counted on a 3D object.
What else can I help you with?
What is A 3-D figure with 1 circular base one vertex and no edges?
2
Vertex of 3 D shaped cone?
The tip of the cone.
What figure is an ice cream cone?
A 3-D cone would act as the ice cream cone and a 3-D sphere would act as the ball of ice cream.
What is a shape that has 9 faces and 7 edges that is 3-D?
The Euler characteristic for polyhedra then requires that thye shape has no vertices! And that means it cannot be a polyhedron. I suggest you count the faces and edges again.
What shape has 1 face 0 edges and 1 vertex?
One possible answer is an infinite cone. Spheres have one face but no vertex. No physical 3-D shape can have a vertex without having more than one face (a real cone typically has two: side and bottom).
What 3-D shape is a cup?
a truncated cone
What 3 d shape has 1 flat face 1 vertex and can roll?
A cone.
How many edges in a 3 d rectangular based prism?
there are 12 (twelve) edges.
What 2 3-d shape has 10 edges?
A pentagonal pyramid has 10 edges.
What is the 3-d shape that is1face 1 vertex?
a cone
What 3 d shape has rectangular faces only?
A cone
How many edges are on a 3-D trapezoid?
12
