find the area of the triangle
![find the area of the triangle class=](https://us-static.z-dn.net/files/df1/ca9f5ae3170e1156f946999850c9d580.png)
Step-by-step explanation:
[tex] \frac{(3 + 6) \times 4}{2} = \frac{9 \times 4}{2} = 18 {m}^{2} [/tex]