question_answer

Find out the number of triangles in this figure. Question Figure:

A)  12                               

B)  14

C)  16                   

D)         18  

Correct Answer: D

Solution :

  Each unit consists of three triangles and there are six units. So, the total number of Wangles would be 18. The triangles are: \[\Delta ABD;\,\,\Delta ADC;\,\,\Delta ABC;\,\,\Delta HEF;\] \[\Delta HFG;\,\,\Delta HEG;\,\,\Delta HIJ;\,\,\Delta HJK;\] \[\Delta HIK;\,\,\Delta OLM;\,\,\Delta OMN;\,\,\Delta OLN;\] \[\Delta PRS;\,\,\Delta PRQ;\,\,\Delta PSQ;\,\,\Delta TVU;\] \[\Delta TVW;\,\,\Delta TUW\]