Practicing Success
How many triangles are present in the following figure? |
10 16 18 20 |
20 |
As per the observation; (let's keep in mind the base, means how many triangles are there in the base) 1+2= 03 (ABC) 1+2= 03 (DCB) 1+2= 03 (AEG) 1+2= 03 (DHF) 1+2= 03 (CEH) 1+2= 03 (BGF) And, the other triangles are; ABD & ACD. Thus, total 20 triangles. |