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REFLECTIONS, ROTATIONS REFLECTIONS, ROTATIONS AND TRANSLATIONS AND TRANSLATIONS

# REFLECTIONS, ROTATIONS AND TRANSLATIONS. Reflections

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• Slide 1
• REFLECTIONS, ROTATIONS AND TRANSLATIONS
• Slide 2
• Reflections
• Slide 3
• OBJECT IMAGE Reflect the triangle in the mirror line. The line joining a point to its image is always at right angles to the mirror line.
• Slide 4
• OBJECT IMAGE Reflect the shape in the mirror line. The line joining a point to its image is always at right angles to the mirror line.
• Slide 5
• OBJECT IMAGE Reflect the shape in the line y = 5. First draw the mirror line. y x 2 2 4 4 6 6 0 0 8 8 10
• Slide 6
• Rotations
• Slide 7
• Rotate the triangle 90 o clockwise about the given point.
• Slide 8
• Use tracing paper for rotations.
• Slide 9
• Rotate the triangle 90 o clockwise about the given point. Object Image
• Slide 10
• Rotate the triangle 180 o about the given point.
• Slide 11
• Use tracing paper for rotations.
• Slide 12
• Rotate the triangle 180 o about the given point. Object Image
• Slide 13
• Translations
• Slide 14
• A translation is a transformation that slides a shape from one place to another. IMAGE OBJECT In a translation each point on the original shape moves the same distance and in the same direction. This is a translation of. The top number is the movement in the x direction. positivenegative The bottom number is the movement in the y direction. positive negative 4 5
• Slide 15
• IMAGE Translate the shape by the vector. OBJECT 3 2
• Slide 16
• IMAGE Translate the shape by the vector. OBJECT 4 2
• Slide 17
• IMAGE Translate the shape by the vector. OBJECT 3 1
• Slide 18
• IMAGE Translate the shape by the vector. OBJECT 4 1

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