How many triangles are there in the given figure?

10 12 11 9

10

The logic followed here is; (let's keep in mind the base, means how many triangles are there in the base) 1+2= 03  (CDQ)    And, the other triangles are; ALO, ANO, POD, DOM, ACD, DBA, ODQ Therefore, there are 03+07= 10 triangles in the above figure