Three vertices
The vertices of triangle ABC are: A[1, 2, -3], B[0, 1, 2], C[2, 1, 1]. Calculate the lengths of sides AB, AC and the angle at vertex A.
Final Answer:
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You need to know the following knowledge to solve this word math problem:
geometryarithmeticplanimetricsgoniometry and trigonometryUnits of physical quantitiesGrade of the word problem
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