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The coordinates of the vertices of triangle ABC are A (4, 2), B(6, 7), C (13, 1). Triangle ABC is reflected across y= -x

What are the vertices of triangle A'B'C'?
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The coordinates of the vertices of triangle ABC are A (4, 2), B(6, 7), C (13, 1). Triangle-example-1
User Wikp
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Answer: first calculate the formula of sin and remodel the shape and you get (6,7)

User Mnuzzo
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