answersLogoWhite

0


Best Answer

Because it can be arranged in a triangle. Think of a set of Bowling pins. 1 followed by 2 followed by 3 followed by 4

1, 3, 6 and 10 (the totals including each row) are the first four triangle numbers.

User Avatar

Wiki User

10y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Why is the number 10 a triangle number?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

Why is 10 called a triangular number?

A triangular number or triangle number counts the objects that can form an equilateral triangle. 10 objects can be formed into an equilateral triangle.


Is 12 a triangle number?

No but 10 and 15 are :D


Triangle abc is an equilateral triangle bc equals 10 what is the length of ad give your answer to the nearest whole number?

5


What number is a square and triangle number?

36 is both a square number and a triangle number as it is:6x6=36andthe square numbers are:1, 3, 6, 10, 15, 21, 28, 36, 45,55, 66, 78.xx


Triangle ABC is an equilateral triangle. BC 10 What is the length of AD Give you answer to the nearest whole number?

That depends on what is meant by length of AD but the 3 sides of an equilateral triangle are all equal in lengths.


Triangle number of 28?

28 is a triangle number. The 28th triangle number is 406.


What is the third triangular number?

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.


Could this number be a side lengths of a triangle the number are 6 8 10?

Yes, and it would have to be a right angled triangle as the sides are in ratio 3:4:5 6^2 + 8^2 = 36 + 64 = 100 = 10^2 . Good old Pythagoras!


What is the third triangle number?

The third triangle number is 6.


Is a triangle with sides 10 14 10 obtuse acute or right?

it is an acute triangle.


How many triangles are in a 10 x 10 x 10 triangle puzzle?

496 triangles in a 10 x 10 x 10 triangle


What is the fifth triangle number?

The fifth triangle number, known as T5 is 15.