Dudeney's puzzle + lesson plan
- Author:
- Ivan De Winne
Dudeney's famous haberdasher puzzle (1908)
Cut an equilateral triangle into four pieces
that can be arranged to form a square
with the same area
Find a construction !
Download lesson plan Dudeney.pdf
http://new-twinspace.etwinning.net/c/document_library/get_file?uuid=46edd6a1-2c82-4431-9301-fcf05cd88165&groupId=34128894
Looking forward to hear your comments and experiences in the classroom.