A) 16
B) 20
C) 12
D) 22
Correct Answer: B
Solution :
The figure in the question may be labelled as shown below. There are nine triangles in the upper half of the figure \[ABFE=\Delta AEI,\,\,\Delta AIG,\,\,\Delta AEG,\,\,\Delta GEO,\,\,\Delta GBJ,\,\,\Delta BFJ,\]\[\Delta GBF,\,\,\Delta GOF\,and\,\Delta GEF.\] Similarly, there are nine triangles in the lower half figure, i.e. EFCD. There are two more triangles\[\Delta EGH\]and\[\Delta FGH\] Hence, there are a total of 20 triangles.You need to login to perform this action.
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