Mathematics, 15.12.2019 18:31 robert7248

Triangular numbers can be represented with equilateral triangles formed by dots. the first five triangular numbers are 1, 3, 6, 10, and 15. is there a direct variation between a triangular number and its position in the sequence? explain your reasoning.

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Triangular numbers can be represented with equilateral triangles formed by dots. the first five tria...