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What is the third triangular number?

Updated: 4/28/2022
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Wiki User

8y ago

Best Answer

If I remember correctly, the triangle numbers are 1, 3, 6, 10, 15... It is like racking up billiard balls or Bowling pins. If the first number is 1, then the 3rd number is 6.

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Wiki User

13y ago
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Wiki User

8y ago

6

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Anonymous

Lvl 1
3y ago

6 is the 3rd triangle number

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Q: What is the third triangular number?
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