Math, asked by hemanshmane, 4 days ago

if 3is first triangular number which is fifth one?

1 ) 15

2) 21

3) 28

Answers

Answered by sameerbhangare53

2

Answer:

1] 15

Step-by-step explanation:

= 3*5

=15

Plz mark me brainleast

Answered by kailassambhudas786

1

Answer:

15

Step-by-step explanation:

3*5

15 answer is 15

ok I hope

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