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Q: Formula of triangular numbers

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What is the formula for a triangular prism

The Nth triangular number is calculated by: N(N + 1) -------- 2 Hope this is useful!

None. There is nobody to whom triangular numbers belong.

Triangle numbers or triangular numbers are those numbers that can form an equilateral triangle when counting the objects. The first five triangular numbers are: 1, 3, 6, 10, 15.

Triangular numbers can be calculated by using the following formula (n * (n+1) ) / 2 so for 30 the answer is (30*31)/2 = 465

1,36,1225,41616,1413721

6 and 10 are triangular numbers that make 16.

There are an many triangular numbers that are also square numbers. Simply put, the sum of two consecutive triangular number equals a square number. Examples include 1 and 36.

The formula for triangular numbers is (half of n) multiplied by (n+1). Putting in 1000 as n you get: 500 multiplied by 1001 which equals 500500. The answer is 500500.

the answer is of course 12

You cannot convert even numbers to triangular numbers! There is no such relationship.

It depends on triangular what: pyramid, dipyramid, prism, ...

No, 39 is not a triangular number. The closet triangular numbers are 36 and 45.

The formula for finding the volume for a triangular pyramid is half base x height x length. A triangular pyramid has four faces.

Well...the fifth row is 1 5 10 10 5 1...but to possibley solve a problem you need a formula for example (x+y)^2 * * * * * No, these are triangular numbers. The formula for the nth term is t(n) = n(n+1)/2 They are called triangular numbers because if you make one mark on the first line, two marks on the second, three on the third, etc you will generate these numbers and with each line the marks form a triangular shape.

The sum of the first n cubed numbers is the square of the nth triangular number.

The first six triangular numbers are : 1,3,6,10,15,21. However, sometimes the first triangular number is regarded as 0 (zero) so you then have 0,1,3,6,10,15 as the first six triangular numbers.

Triangular prism = 2 triangles + 3 rectangles.

6 is a triangular number, but 9 is not.

707 is not a triangular number. The closest triangular numbers to 707 are 703 and 741.

Yes

Length of prism * perimeter of triangular face.

The answer would be 15 and 21. The triangular numbers are 1,3,6,10,15,21,28,36,45,55,66,78. 15 plus 21 is 36 which is on the list. 21 minus 15 is 6 and that is on the list as well.

The five triangular numbers that follow 21 are 28, 36, 45, 55, and 66.

Nope Triangular numbers are 1,3,6,10,15,21,28,36