When two faces of a three-dimensional object intersect. Take this two-dimensional symbol for example: ^ Imagine that that carrot symbol is actually three-dimensional. The vertex is your edge.
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It has one edge. The edge that connects the bottom circle to the cone part.
Two. The top 'edge' or point, and the bottom edge defining the circle or ellipse of the base.
CONE
It is a square base pyramid
A solid cone has 2 faces and 1 edge