Respuesta :

Hrishii

Answer:

0.086 sq km

Step-by-step explanation:

[tex] \because \: 1 \: ha = 0.01 \: {km}^{2} \\ \therefore \: 8.6 \: ha = 8.6 \times 0.01 \\ \\ \red{ \boxed{ \bold{\therefore \: 8.6 \: ha = 0.086 \: {km}^{2} }}}[/tex]

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