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 ABF, BIC, CIH, GIH, FGE and AFE (6)
- Triangles with two components each ABE, AGE, BHF, BCH, CGH and BIE (6)
- Triangles with three components each ABH, BCE and CDE (3)

Total number of triangles in the figure is 6 + 6 + 3 = 15

Hence option D is correct.

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