Jawabanmu

2014-04-18T16:38:21+07:00
C (4,5) T(-10,2) C' (4+(-10), 5+2) --> C' (-6,7)
C (-6,7) R (-1, -2) --> C' ( 6, -7) + (-1,-2) --> C' (5,-9)
jadi, titik bayangan C (5,-9)

Semoga bermanfaat :)