Parallelogram + 2 Equilateral Triangles: How to Prove?

Dynamic and modifiable problem posed by Roberto Soto and Armando Martinez-Cruz (both from California State University, Fullerton) in their NCTM presentation "GeoGebra + GoFormative for Problem Solving, Problem Posing, and Assessment".
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Tim Brzezinski —

 
Materiaaltype
Werkblad
Tags
ccss  ccss.hsg.co.c.11  common  common-core  core  equilateral-triangle  equilateral-triangles  geometry-challenge-proof-problem  geometry-proof-prompt  parallelogram  parallelogram-equilateral-triangles parallelogram-theorem proof triangles Toon meer…
Doelgroep (leeftijd)
10 – 19+
Taal
English
 
 

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