How many triangles are there in the given figure? |
11 9 13 12 |
12 |
The logic followed here is; (let's keep in mind the base, means how many triangles are there in the base) 1+2= 03 (QOB) 1+2= 03 (BDQ) And, the other triangles are; AOB, ABD, ACD, BOD, QOD, APB Therefore, there are 03+03+06= 12 triangles in the above figure. |