Q)

In each of the following question, find the minimum number of triangles in the given figure.

Explanation

After labelling the figure, we get the following,

- Simplest triangles AFJ, FJK, FKB, BKG, JKG, JGC, HJC, HIJ, DIH, DEI, EIJ and AEJ (12)
- Triangles with two components each JFB, FBG, BJG, JFG, DEJ, EJH, DJH and DEH (8)
- Triangles with three components each AJB, JBC, DJC and ADJ (4)
- Triangles with six components each DAB, ABC, BCD and ADC (4)

Total number of triangles in the figure is 12 + 8 + 4 + 4 = 28

Hence option C is correct.

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