AC9M7SP02Year 7SpacePractised on site

AC9M7SP02 — Year 7 Space

Official Curriculum Content Description:

classify triangles, quadrilaterals and other polygons according to their side and angle properties; identify and reason about relationships

Worked Examples (1)

Example 1Line & Rotational Symmetry of Plane Figures
A regular polygon has 9 lines of symmetry. How many sides does it have?
Diagram not accurately drawn
Common mistake: Subtracted 2 or divided instead of matching the line count
Correct Answer:99
Worked Solution:
A regular nn-sided polygon has nn lines of symmetry, so it has 9 sides.

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