What is the median of the set of numbers: 4, 7, 9, 13, 16, 21, 28, 35, 42, 49?
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Question: What is the length of the median of a triangle if two of its sides measure 10 units and 12 units, and the included angle between them is 60 degrees?
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What is the period and amplitude of the sine function f(x) = sin x ?