What is the mean, mode, median, range, and average of the numbers 2, 4, 6, 6, 8, 10, 12, 14, 16, 18?
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Math question: In triangle ABC, if the angle bisector of angle A intersects the side BC at point D, and the length of BD is 5 cm, what is the length of DC?
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Math question: How do you find the missing angle measurement in a triangle when you know the other two angles?