question_answer

Count the number of triangles in the adjoining figure.     

A)  28                               

B)  26                   

C)  20                               

D)  12                        

Correct Answer: A

Solution :

 :\[{{\Delta }^{1}}=12,{{\Delta }^{2}}=6,{{\Delta }^{3}}=8,{{\Delta }^{6}}=2.\]