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Can you explain the strategy for winning this game with any target?

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Is There a Theorem?

Draw a square. A second square of the same size slides around the first always maintaining contact and keeping the same orientation. How far does the dot travel?

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Card Trick 2

Can you explain how this card trick works?

Tilted Squares

Stage: 3 Challenge Level: Challenge Level:1

We received three excellent solutions from Jonathan, Bryn and Marissa of Madras College. Marissa's solution follows:

The results above suggested a relationship between the area of tilted squares and the distance travelled along and up to get from one vertex to an adjacent vertex.
Alex from Llandovery College was able to prove the relationship and sent us this proof that the formula will always work.