Write the letter that labels each set of numbers in the correct row to show whether the numbers can represent the side lengths of a triangle and, if so, what type of triangle. More than one set of numbers can belong to the same category. Acute Right Obtuse Not a triangle : A: 7, 8, 9 : B: 20, 99, 101 : С: 12, 13, 27 : D: 11, 60, 60 : E: 18, 80, 84 : F: 15, 36, 39

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