Pliss tolong di jawab

Gunakan phytagoras
[tex] \sqrt{jarak \: kapal \: a \: {}^{2} + jarak \: kapal \: b {}^{2} } \\ \sqrt{80 {}^{2} + 60 {}^{2} } \\ \sqrt{6400 + 3600} \\ \sqrt{10000} = 100 \: meter[/tex]