Circle and Quarter-circles

What do you notice about the blue figure and the yellow one?
What could we do to find perimeter?
How about area?
What other mathematical aspects of this caught your attention?
What do you wonder about the situation?
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	More Information: 
	Noticing and wondering is a tool to help students:
- Understand the story, the quantities, and the relationships in the problem.
- Understand what the problem is asking and what the answer will look like.
Have some ideas to begin to solve the problem.
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