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rotasi -90° A ( 5 , 3 ) < -----------------> A¹ ( 3 , - 5 )
rotasi 180° A ( 5 , 3 ) <------------------> A¹ ( -5 , -3 )
rotasi 270° A ( 5 , 3 ) <------------------> A¹ ( 3 , -5 )
dengan syarat :
a) sudut putar positif , jika arah rotasi berlawanan perputaran jarum jam
b) sudut putar negatif , jika arah rotasi searah perputaran jarum jam