Answer:
[tex]\huge\boxed{\sf 54\ m^2}[/tex]
Step-by-step explanation:
Area of the triangle:
[tex]\displaystyle = \frac{1}{2} (Base)(Height)\\\\Where \ base = 12 \ m, \ height = 9 \ m\\\\=\frac{1}{2} (12)(9)\\\\= 6 \times 9\\\\= 54\ m^2\\\\\rule[225]{225}{2}[/tex]
