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What are a face an edge and a vertex?

Updated: 4/28/2022
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9y ago

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A face is the flat surface of an object (2 or 3 dimensional).

An edge is when two sides (faces) meet on an object.

A vertex is the corner of an object, where an angle exists between two or more lines.

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Q: What are a face an edge and a vertex?
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What is a shape with one face no edge no vertex?

How about a sphere as an example that fits the given description


What is the flat part of a 3 dimensional figure?

its called a face an edge is called en edge a point is called a vertex


How many faces edges and vertexs does a cone have?

one face one vertex and two circle edges * * * * * What kind of cone is that? It has 1 edge, 2 faces (one curved and one plane), and 1 vertex.


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A cone has one vertex and one edge.


What is the java program for Dijkstra's algorithm?

import java.util.List; import java.util.ArrayList; import java.util.Collections; class Vertex implements Comparable<Vertex> { public final String name; public Edge[] adjacencies; public double minDistance = Double.POSITIVE_INFINITY; public Vertex previous; public Vertex(String argName) { name = argName; } public String toString() { return name; } public int compareTo(Vertex other) { return Double.compare(minDistance, other.minDistance); } } class Edge { public final Vertex target; public final double weight; public Edge(Vertex argTarget, double argWeight) { target = argTarget; weight = argWeight; } } public class Dijkstra { public static void computePaths(Vertex source) { source.minDistance = 0.; PriorityQueue<Vertex> vertexQueue = new PriorityQueue<Vertex>(); vertexQueue.add(source); while (!vertexQueue.isEmpty()) { Vertex u = vertexQueue.poll(); // Visit each edge exiting u for (Edge e : u.adjacencies) { Vertex v = e.target; double weight = e.weight; double distanceThroughU = u.minDistance + weight; if (distanceThroughU < v.minDistance) { vertexQueue.remove(v); v.minDistance = distanceThroughU ; v.previous = u; vertexQueue.add(v); } } } } public static List<Vertex> getShortestPathTo(Vertex target) { List<Vertex> path = new ArrayList<Vertex>(); for (Vertex vertex = target; vertex != null; vertex = vertex.previous) path.add(vertex); Collections.reverse(path); return path; } public static void main(String[] args) { Vertex v0 = new Vertex("Harrisburg"); Vertex v1 = new Vertex("Baltimore"); Vertex v2 = new Vertex("Washington"); Vertex v3 = new Vertex("Philadelphia"); Vertex v4 = new Vertex("Binghamton"); Vertex v5 = new Vertex("Allentown"); Vertex v6 = new Vertex("New York"); v0.adjacencies = new Edge[]{ new Edge(v1, 79.83), new Edge(v5, 81.15) }; v1.adjacencies = new Edge[]{ new Edge(v0, 79.75), new Edge(v2, 39.42), new Edge(v3, 103.00) }; v2.adjacencies = new Edge[]{ new Edge(v1, 38.65) }; v3.adjacencies = new Edge[]{ new Edge(v1, 102.53), new Edge(v5, 61.44), new Edge(v6, 96.79) }; v4.adjacencies = new Edge[]{ new Edge(v5, 133.04) }; v5.adjacencies = new Edge[]{ new Edge(v0, 81.77), new Edge(v3, 62.05), new Edge(v4, 134.47), new Edge(v6, 91.63) }; v6.adjacencies = new Edge[]{ new Edge(v3, 97.24), new Edge(v5, 87.94) }; Vertex[] vertices = { v0, v1, v2, v3, v4, v5, v6 }; computePaths(v0); for (Vertex v : vertices) { System.out.println("Distance to " + v + ": " + v.minDistance); List<Vertex> path = getShortestPathTo(v); System.out.println("Path: " + path); } } }


What shape has 1 vertex 1 face and 1 edge?

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What shape has 0 face 0 edge 0 vertex?

Not sure, but my best guess would be a circle. Sorry for the inconvenience.


What has 1 vertex one edge and one curvered face?

Don't know. It cannot be a cone since that has two faces: one curved (curvered?) face and one flat (circular) face. Alternatively, an infinite cone has only one curved face but then it has no edge.


What is it called where two faces of a solid figure meet?

vertex vertex


What is a cycle graph?

A cycle is a closed path such that the end vertex of the final edge is the start vertex of the first edge.