Answer:
[tex] 27 \: {km}^{2} [/tex]
Step-by-step explanation:
Given is the shape of a trapezoid.
Therefore,
Area of the trapezoid
[tex] = \frac{1}{2} (2 + 7) \times 6 \\ \\ = 9 \times 3 \\ \\ = 27 \: {km}^{2} [/tex]
