Puzzle: Is 36 the only triangle-square number?
https://www.youtube.com/watch?v=Gh8h8MJFFdI
Activity, Puzzle, Publisher, Matt Parker (Standup Maths), Video, YouTube
36 is a square number and a triangular number. Can you find another number where this works? If other such numbers work, what is the pattern behind them?
25 July 2016 Edit: 24 July 2016
- Topics:
- Number, Special Numbers
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