In order to determine if two or more triangles have the same shape, you need to determine if the corresponding vertices and angles.You will need to know or be able to calculate the measurements of the angles to determine a one-to-one correspondence.
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It is the sum of the y-coordinates of the vertices divided by the number of vertices.
Vertices are corners. Thus, there are 4 corners in a square.
They are at the end points of its diagonals
To find the number of vertices in an octagonal pyramid using a graph, you can represent the pyramid as a 3D shape with vertices, edges, and faces. An octagonal pyramid has 8 vertices, one at the top (apex) and 8 at the base. You can also draw a graph with each vertex representing a corner of the pyramid and each edge representing a line connecting two vertices. By counting the number of vertices in the graph representation, you can determine that an octagonal pyramid has a total of 9 vertices.
cross them over. i.e. draw a line matching together the opposite vertices so you get a cross in the middle.