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# Dont understand tiling problem

Hi

The section on tiling and cutting in Joy of Problem Solving says that two w-pentominoes cannot be used to fill a corner. Then why does not this work?

Note by Noor Hussain
3 months, 2 weeks ago

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I contacted the author - she has rewritten the problem.

Staff - 3 months, 2 weeks ago

Okay, great, but my browser still says that I answered incorrectly. It shouldn't really matter, but it irks me a bit.

- 3 months, 2 weeks ago

Try refreshing! (the circular-ish arrow to the side)

Staff - 3 months, 2 weeks ago

Oh, I never even noticed there was an option to redo problems. Thanks!

- 3 months, 2 weeks ago