manisamber041 manisamber041

09-03-2018
Mathematics

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i need this rotated 270 degrees clockwise

i need this rotated 270 degrees clockwise class=

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sqdancefan sqdancefan

15-03-2018

270° CW is the same as 90° CCW. The mapping for that is (x, y) ⇒ (-y, x).

D(1, 2) ⇒ D'(-2, 1)
F(2, 3) ⇒ F'(-3, 2)
G(4, 1) ⇒ G'(-1, 4)

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