Circles
In this section the activities are on lines of symmetry (mirror lines).
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Investigate the relationship between the perimeter of regular shapes and the length of the longest diagonal. What happens as the number of sides increases?
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Investigate how the circumference of a circle is related to it's diameter.
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Use this activity to explore how we come up with a formula for the area of a circle.
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A nice investigation into how running tracks are designed, and the measurements needed to create them.
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An investigation into how the area bounded by two quarter circles within a square is related to the side length of the square.
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Investigate the relationship between a square and the circles that enclose and fit inside it.
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