Page 14 - UAS_Praktikum Radika Ananda_4191111013
P. 14
Rotasi Terhadap Titik Pusat (a, b)
°
′
– b = x – a
′
= x – a + b
′
a – = y – b
= -y + a + b
′
(x, y) → ( , ) = (-y + a+ b, x – a + b)
′
′
10
