0
Depending upon the definition used, the first 10 natural numbers are either:
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
or (first appearing in the 19th century):
0, 1, 2, 3, 4, 5, 6, 7, 8, 9
Wiki User
∙ 11y ago
Wiki User
∙ 8y agoTriangle numbers are a series of sums of the first nnumbers.
Thus
T1 = 1
T2 = 1+2 = 3
T3 = 1+2+3 = 6
T4 = 1+2+3+4 = 10
However, rather than ading up a whole lot of numbers, it sis easy to prove that
Tn = n*(n+1)/2
Wiki User
∙ 14y agoBy Greenskier xxx
The first 7 triangle numbers are :
1,3,6,10,15,21,28
Wiki User
∙ 9y agoA triangle number is a number that can form an equilateral triangle with that amount of objects. The first ten triangle numbers are 1, 3, 6, 10, 15, 21, 28, 36, 45, and 55.
Wiki User
∙ 14y agothe first 10 triangle numbers are:
1, 3, 6, 10, 15, 21, 28, 36, 45, 55.
Wiki User
∙ 15y ago3,6,9,12,15,18,21,24,27,30
Wiki User
∙ 13y ago3,6,10,15,21,28,36,45,55
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What is the name of a 3 sided shape?
A triangle is a 3 sided shape. There are a few types, Isosceles, Scalene (Acute and Obtuse), Equilateral and the Right angle triangle.
Ph solution by 2 numbers change in hydrogen ions by?
The pH numbers refer to power of ten, so a change of 2 numbers means that the moles per liter of hydrogen ions has changed by 100.
Which element out of the first ten elements is used in batteries?
Lithium
The sum of the first 100 positive even numbers?
The sum of the first 100 positive even numbers is 10,100.
Pick the correct statement?
Runway numbers represent the orientation of the runway approach in compass degrees rounded to the nearest ten degrees.
What does triangular number mean?
Triangluar numbers or triangle numbers are numbers formed from the summation of all the numbers smaller than them. The first few triangle numbers are 1,3,6,10,15,21... If you think of a pyramid with a base of two blocks, and one on top, there are three blocks. If you add a base of three to that pyramid, you have six blocks. Then ten, and fifteen and so on. That is why they are called Triangle numbers.
What are the first 5 triangular numbers?
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.
What is the smallest multiple of the first ten natural numbers?
2520 is the smallest multiple of of first ten natural numbers.
What are the first 2 triangular numbers?
The first two triangle numbers are 3 and 6. [Unless you start with 1 as the first.]
What is another name for the first ten whole numbers?
Ordinary numbers
What are the first ten numbers of pi?
3.141592653
What is the average of first ten prime numbers?
The average of the first ten prime numbers is 12.9.
What is the sum of first 10 positive numbers?
The first ten positive numbers total 55.
What are the first ten happy numbers?
The first ten happy numbers are: 1, 7, 10, 13, 19, 23, 28, 31, 32, 44
What is the total of ten consecutive numbers where the first and last are square numbers?
16,17,18,19,20,21,22,23,24,25.
The sum of the the first ten counting numbers?
thousands
What is the average of the first ten square numbers?
38.5
