Titik A(4, 2) diputar 90° berlawanan arah jarum jam terhadap pusat P(2,1). Tentukan bayangan A'!, (1, 3), (1,5 ), (3, 5), (5, 3), Bayangan titik B'(-3, 4) merupakan hasil rotasi 180° dari titik B terhadap O(0,0). Tentukan titik B!, (3, 4), (-4, 3), (-3, -4), (3, -4), Titik C(1,2) diputar 90° searah jarum jam, lalu diputar lagi 90° searah jarum jam. Tentukan hasil akhirnya!, (-1,-2), (2,-1), (-2,1) , (1,-2), Titik D(-2, 3) diputar sehingga menjadi D'(3,2). Rotasi apakah yang terjadi?, 90° berlawanan arah jarum jam, 90° searah jarum jam, 180°, 270° berlawanan arah jarum jam, Titik E(a, b) diputar 180° terhadap O(0,0) menjadi (-6, 8). Tentukan nilai a + b!, 2, -2, -14, 14.
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