The simplest triangles are AEH, EHI, EBF, EFI, FGC, IFG, DGH and HIG i.e. 8 in number.
The triangles composed of two components each are HEF, EFG, HFG and EFG i.e. 4 in number.
Thus, there are 8 + 4 = 12 triangles in the figure.
NA
Answer A
3, 4, 7 are all four-sided figures.
2, 5, 8 are all five-sided figures.
From first figure to second figure the diagonals are deleted and both the dots are arranged vertically.
The first figure is bigger in each unit.
NA
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