Mathematics, 08.02.2021 02:20 sjharrison04

The numbers 1, 3, 6, 10, 15, ... are known as triangular numbers. Each triangular number can be expressed as (n(n+1))/2 where n is a natural number. The largest triangular number less than 500 is: A) 16
B) 9
C) 8
D) 5
E) 3
Please include an explanation if you answer, thanks

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