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12-3: Rotations

12-3: Rotations. Definition. Rotation – a transformation that turns a figure around a fixed point, called the center of rotation. Examples. Tell whether each transformation appears to be a rotation. Explain. 1. 2. . Examples.

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12-3: Rotations

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  1. 12-3: Rotations

  2. Definition • Rotation – a transformation that turns a figure around a fixed point, called the center of rotation.

  3. Examples Tell whether each transformation appears to be a rotation. Explain. 1. 2.

  4. Examples • Rotate ΔJKL with vertices J(2, 2), K(4, –5), and L(–1, 6) by 180° about the origin. • Rotate ABC with vertices A(2, -1), B(4, 1), and C(3, 3) by 90 about the origin.

  5. Assignment • Pg. 842 #2-34 even

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