What is the average temperature (in degrees Fahrenheit) of a city over a span of 10 days if the daily temperatures were 78, 85, 82, 79, 81, 76, 83, 80, 84, and 77?
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What is the length of the perpendicular bisector of a triangle with sides measuring 5, 12, and 13 units?
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What is the length of the perpendicular bisector of a side of a triangle with side length 12 units?