Symmetry
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Is the dashed line a line of symmetry for the whole design?
Include the outline and every solid inside line. Ignore the dashed guide line and its label.
Read the diagram description
The outline is a square. Its sides are horizontal and vertical. There are no solid inside lines. Dashed guide mirror is at 45° anticlockwise from a horizontal line pointing right and passes through the centre of the outline. The dashed line is a guide, not part of the solid design.
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Answer: Yes — the outline and inside lines match
- Imagine folding along the dashed line.
- Check the outside boundary first, then every solid inside line.
- Answer: Yes — the outline and inside lines match.
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Curriculum reference
Victorian Curriculum F–10 Version 2.0
VC2M4SP04
recognise line and rotational symmetry of shapes and create symmetrical patterns and pictures, using dynamic geometry software where appropriate
These quizzes practise concepts within this topic. Multiple-choice answers alone do not demonstrate drawing, conducting an investigation or using a digital tool.
Activities to practise beyond the quiz
- Recognising/reflection/turn questions do not create a symmetrical picture or pattern, or operate dynamic geometry software.
- Recognising/reflection/turn questions do not create a symmetrical picture or pattern, or operate dynamic geometry software.
- Recognising/reflection/turn questions do not create a symmetrical picture or pattern, or operate dynamic geometry software.
- VC2M4SP04-C01Recognise line symmetry of shapes.
- VC2M4SP04-C02Recognise rotational symmetry of shapes.
- VC2M4SP04-C03Create symmetrical patterns.
- VC2M4SP04-C04Create symmetrical pictures.
- VC2M4SP04-C05Use dynamic geometry software where appropriate.
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Skills in this topic
Traceable coverage
Subskills
Supplied alignment skills
- 01Identify lines of symmetry
- 02Draw lines of symmetry
- 03Count lines of symmetry
- 04Rotational symmetry