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Subjects>Math>Other Math

If the eighth triangular number is 36 what is the seventh trianguler number?

Anonymous

∙ 11y ago

Updated: 4/28/2022

28
"21" but to be extra smart the answer is "The seventh triangular number is twenty one."

Wiki User

∙ 11y ago

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Q: If the eighth triangular number is 36 what is the seventh trianguler number?

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Continue Learning about Other Math

What is the seventh triangular number?

There is a very simple formula. The nth triangular number, T(n) = n*(n+1)/2Here n = 7, so T(7) = 7*8/2 = 28.

Is 150 a triangular number?

Decimal triangular number it is

Is 36 a triangular number?

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

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.

What are the examples of ordinal numbers from 1 to 10?

First, Second, Third, Fourth, Fifth, Sixth, Seventh, Eighth, Ninth, Tenth

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