Question: A running race follows a triangular course. The first leg of the race is in a straight line, covering 4.4 km. Runners turn an angle

A running race follows a triangular course. The first leg of the race is in a straight line, covering 4.4 km. Runners turn an angle of 79 for the second leg, and then turn again at 77 to head back to the start line to finish the race. What is the length of the entire race, to the nearest tenth of a kilometre

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