Can someone explain what to do and how to set up

We know that According to Law of Sines :

Where A - B - C are Angles of the Triangle and a - b - c are Opposite Sides corresponding to those Angles A - B - C

We need to find the length of Path-2 whose Opposite Angle is 45°

We need to find the Angle Opposite to 300 m length to solve the problem

Angle Opposite to 300 m Length = 180° - (45° + 105°) = 30°

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Option D is the Answer

89

step-by-step explanation: