Hint: Here having total two diagonals and having four blocks. So formula for that 4 x 2 = 8 number of triangles. Figure – 2 : Number of triangles in Fig – 2 = 16 Hint: Here having total two diagonals ...
https://doi.org/10.4169/college.math.j.43.4.297 https://www.jstor.org/stable/10.4169/college.math.j.43.4.297 Summary Counting complete subgraphs of three vertices in ...