Math, asked by nathania6a2020, 21 days ago

Which of the following number is not a triangular number *
3
6
10
9

Answers

Answered by itzUniqueGirl

1

Answer:

10 is not a triangular number . because 3 , 3+3= 6 , 3+3+3=9. thus 3,6,9 are triangular numbers

Step-by-step explanation:

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Answered by kggkp1613

0

for example if the digital root of 12 which is not a triangular number is 3 and divide by 3 is so answers is 3

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