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Rotate ΔABC 90∘counterclockwise about point C.
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Rotate ΔABC 90∘counterclockwise about point C.

User Pgrosslicht
by
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1 Answer

2 votes

Answer:

(x,y) -> ( -y , x )

Explanation:

rotation formula:

90 degrees counterclockwise (x,y) -> ( -y , x )

User Trashkalmar
by
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