Jawabanmu

2014-04-04T19:58:42+07:00
K (6,-2) -> K' (2, 6) 

Menghasilkan K' (2, 6)
Rumusnya :T ( a , b ) --> T ‘ ( -b , a )
2014-04-04T20:23:48+07:00
 rotasi 90 (cos 90 -sin 90)
               (sin 90 c0s 90)
(0 -1)  (6)
(1  0)  (-2)  = (2,6)
1 5 1