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If triangle A(0,-1), B(0,3), C(3,-2) is rotated at 90 degrees CCW about the origin, what are the new coordinates
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If triangle A(0,-1), B(0,3), C(3,-2) is rotated at 90 degrees CCW about the origin, what are the new coordinates

User Confiance
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(x,y)—>(-y,x)
A’(1,0) B’(-3,0) C’(2,3)
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User Jeff Noel
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