Respuesta :

Answer:

45.1 km^2

hope this helps

have a good day :)

Step-by-step explanation:

Answer:

formula of area of the triangle mean 1/2 of bh

so the answer is 45.1

Step-by-step explanation:

[tex]base \: = 11km \\ height = 8.5km \\ area = let(x) \\ so \\ x = \frac{1}{2}bh \\ \: = \frac{1}{2} \times 11 \times 8.5 \\ \ = {1}{2} \times 90.2km \\ = 40.5km[/tex]

thank me later!!