Answer:
756
Step-by-step explanation:
Area of triangle
[tex] \frac{(18 + 3 + 3)18}{2} = \\ = 24 \times 9 = \\ = 216[/tex]
Area of rectangle
[tex]18 \times 30 = 540[/tex]
Total area
[tex]540 + 216 = 756[/tex]
