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Why is there 1 edge in a cone?
A cone has only one edge simply because it only has one face. Although one face may have several edges, a circle is a closed figure with only one vertice, resulting in one edge. The rest of the shape is 3-D, but with only one face, there is an infinite amount of points on a cone. The cone joins on another vertice, but since the face is a circle, there is still only one actual edge. Thus, there is only one edge on a cone because there is a single, circular face.
Why does a cone have one edge?
A cone only has one edge simply because it only has one face. Although a face can have multiple edges, in the case of a cone, which has a circular face, it only has one edge because the face is a closed figure; namely, a circle. The rest of the figure is still 3-D, but since there is only one face, there are an infinite amount of spaces in the area between the edge and the vertice, resulting in an area, not an edge. The contracting circle joins at a vertice parallel to the face. This vertice does not compute as an edge either because there is only one circular face. Thus, a cone has one edge because it has only a single, closed face. By: Brian Jiang (seriously though, Steven, Ubi, Liam, Malcolm, Moshina, etc.
What closed figure has only one straight line?
a semi-circle
What solid figure has only one face?
The sphere.
What are the shapes of the face of a dodecagon?
A dodecagon is a 2 dimensional figure and so has only one face and that face is a dodecagon.
How many faces does a hexagon has?
A hexagon is a plane figure and so has only one face.
how many faces does heptagon have?
A heptagon is a plane figure and so has only one face.
What two solid figures have at least one face that is a circle?
A cylinder and a cone. If you look up 'space figure' in images you should get the idea.
How many faces does nonagon have?
A nonagon is a 2-dimensional figure and so has only one face.
How many face are in a circle?
one.
What shape has one curved face and one flat face the flat face is a circle?
The answer is - a cone.
Define a circle?
a circle has one face, no vertexes ( or point ), and one curved edge
