October 2018 1 69 Report
Bayangan titik A(5, 3) oleh rotasi dengan pusat rotasi O(0, 0) sebesar  \frac{ \pi }{2} adalah....
a. (-5, -3)
b. (3, 5)
c. (-3, 5)
d. (-3, -5)
e. (5, -3)

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