what is a triangular number
Answers
Answered by
1
A number that can make a triangular dot pattern is aid to be a triangular number
Example: 1, 3, 6, 10 and 15 are triangular numbers
Example: 1, 3, 6, 10 and 15 are triangular numbers
Answered by
2
any of the series of numbers (1, 3, 6, 10, 15, etc.) obtained by continued summation of the natural numbers 1, 2, 3 etc.
Similar questions
1+2=3
1+2+3=6
1+2+3+4=10
1+2+3+4+5=15
1+2+3+4+5+6=21
1+2+3+4+5+6+7=28
...