(Solved): A new landowner has a triangular piece of flat land she wishes to fence. Starting at the first corn ...

A new landowner has a triangular piece of flat land she wishes to fence. Starting at the first corner, she measures the first side to be \( 7.9 \mathrm{~m} \) long and is directed \( 1.3 \) radians north of east. From the second corner, the second side is \( 5.8 \mathrm{~m} \) long and is directed 1 radians west of north. What is the length of the third side of the fence?