I need help asap.! I don’t know what it is in new to this.

Answer:
12 square units
since it is just a reflection, the area is the same for both triangles
Step-by-step explanation:
[tex]4^{2} + 3^{2} = 25[/tex]
[tex]\sqrt{} 25[/tex]
5
5+ 4+ 3+ 12 the area is 12 square units.
Hope this helps! :)