A new landowner has a triangular piece of flat land she wishes to fence. Starting at the west corner, she measures the first side to be 84 m long and the next to be 102 m. These sides are represented as displacement vectors A and B in the figure. She then calculates the length of the third side C. What is her result (in meters)?

A new landowner has a triangular piece of flat land she wishes to fence. Starting at the west corner, she measures the first side to be 84 m long and the next to be 102 m. These sides are represented as displacement vectors A and B in the figure. She then calculates the length of the third side C. What is her result (in meters)?

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