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How Many Triangles Are There?
Most of my students want to see the answer immediately. I decided to give them that and asked them to figure out systematically how to get the answer.
Contributed by:
Abraham Gadalla
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"
How Many Triangles Are There?
" from
the Wolfram Demonstrations Project
http://demonstrations.wolfram.com/HowManyTrianglesAreThere/
Contributed by:
Abraham Gadalla
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Related Curriculum Standards
US Common Core State Standards, Mathematics
2.G.A.1
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