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Subjects>Math>Other Math

What is the ninth triangular number?

Updated: 4/28/2022

Wiki User

∙ 15y ago

Best Answer

The First 10 Triangular Numbers ;

1st = 1

2nd = 3

3rd = 6

4th = 10

5th = 15

6th = 21

7th = 28

8th = 36

9th = 45

10th = 55

Wiki User

∙ 15y ago

This answer is:

More answers

Anto Jolly [1701BB-S... ∙

Lvl 6

∙ 3y ago

1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91

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Anto Jolly [1701BB-S... ∙

Lvl 1

∙ 3y ago

i know more

Lakshya Thakwani ∙

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∙ 3y ago

95

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Continue Learning about Other Math

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Decimal triangular number it is

When you add two triangular numbers why do they equal to a square number?

They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.

Is 36 a triangular number?

36 is a triangular number, Square number and also a Consecutive number.

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Yes, 1 is a triangular number.

Is 29 a triangular number?

no- 29 is not triangular. The triangular numbers closest to 29 are 28 and 36.

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