I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS AND EXPLAIN WHY THAT IS THE ANSWER

Answer:
8m^2
Step-by-step explanation:
1. 1*2=2m (add two of the triangles together)
2. 2*3=6m(same as the last step)
3. 6+2=8m (add them together)