Hi !! please help me solve this !!
2. Ship A is at a distance of 3km from the lighthouse, whereas ship B is 4 km away. If the lines of sight from the lighthouse to the two ship form an angle of 60 degrees, then how far are the two ships from each other
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Answer:
[tex] \sqrt{13} \: km[/tex]
[tex]the \: ship \: a \: ship \: b \: and \: lighthouse \: from \: a \: triangle. \: \\ the \: distance \: between \: the \: twoship[/tex]
[tex] = \sqrt{ {3}^{2} { + }^{2} - 2 \times 3 \times 4 \times \cos(60) } [/tex]
The answer is :
[tex] \sqrt{13} \: km[/tex]