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Mathematics, 30.05.2020 21:58 lex2556

Triangle ABC is rotated clockwise to create triangle A’B’C’. What is the angle of rotation?

On a coordinate plane, triangle A B C has points (negative 2, negative 2), (negative 2, negative 4), (negative 3, negative 2). Triangle A prime B prime C prime has points (negative 2, 2), (negative 4, 2), (negative 2, 3).

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Triangle ABC is rotated clockwise to create triangle A’B’C’. What is the angle of rotation?
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