Correct Answer:
Option A - In the given figure,
Number of triangles formed by one box = 11
Number of triangles formed by two box = 04
Number of triangles consisting of four box = 04
Hence, total number of triangles = 19
A. In the given figure,
Number of triangles formed by one box = 11
Number of triangles formed by two box = 04
Number of triangles consisting of four box = 04
Hence, total number of triangles = 19