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Proof without Words: Sums of Triangular Numbers

The author finds visually sums of triangular numbers.

Old Node ID: 
3634
MSC Codes: 
11Bxx
Author(s): 
Monte J. Zerger (Adams State College)
Publication Date: 
Monday, February 21, 2011
Original Publication Source: 
Mathematics Magazine
Original Publication Date: 
December, 1990
Subject(s): 
Geometry and Topology
Geometric Proof
Numbers and Computation
Patterns and Sequences
Number Patterns
Flag for Digital Object Identifier: 
Publish Page: 
Furnished by JSTOR: 
File Content: 
Rating Count: 
31.00
Rating Sum: 
93.00
Rating Average: 
3.00
Applicable Course(s): 
3.7 Discrete Math
4.1 Introduction to Proofs
4.10 Math for High School Teachers
Modify Date: 
Monday, February 21, 2011
Average: 3.2 (34 votes)

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