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You may want to look at Overlaps before you try this problem.

Here are some pairs of shapes:

pairs of shapes

What overlap shape would you get if you overlapped them halfway across each other?

Here are some more pairs of shapes. What overlap shapes would you get this time?

more pairs of shapes

Which of these overlap shapes did you find?

overlap shapes

You may like to use this interactivity to experiment after you have tried to imagine what will happen in your head.

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