Circles
In this section the activities are on lines of symmetry (mirror lines).
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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