radh
A triangle with vertices A(–3, 4), B(3, 1),and C(–1, –5) is rotated 90° counterclockwise about the origin. Find the coordinates of A', B', and C'.



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radh
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For all three vertices?

moser90
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\[(x,y) \rightarrow (y,x)\]

moser90
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(3, 4) > ( 4, 3)

moser90
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that is A

radh
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Alright, thanks.

moser90
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welcome