4th Transformations Rotations

Transformations : Rotations 1. The triangle A(1, 1), B(3, 1), C(1, 2) gets rotated to A′ (7, −1), B ′ (7, 1), C ′ (6, −1). Describe the rotation fully. Rotation, centre (5, 3), 90◦ A-C

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J.M.Stone