question_answer

How many triangles are there in the figure given?  

A)  8                                            

B)  10         

C)  7                            

D)         6

Correct Answer: B

Solution :

The triangles in the given figure are 1,  2, 3, 4, 5, 6 = 6 triangles.                                 3 + 4 = 1 triangle 1 + 2 = 1 triangle 3 + 4 + 5 = 1 triangle + 4 + 5 + 6 = 1 triangle \[\therefore \] Number of triangles = 6 + 1 + 1 + 1 + 1 = 10 triangles.