SOLUTION: Triangular numbers are numbers which can be represented by dots in a triangular array. each side has the same length as the number it represents
ex. the # 3 has 6 dots in it's tri
Algebra ->
Equations
-> SOLUTION: Triangular numbers are numbers which can be represented by dots in a triangular array. each side has the same length as the number it represents
ex. the # 3 has 6 dots in it's tri
Log On
Question 186512: Triangular numbers are numbers which can be represented by dots in a triangular array. each side has the same length as the number it represents
ex. the # 3 has 6 dots in it's triangle
I need to know what the pattern or equation is to solve this with any number
thanks for helping
You can put this solution on YOUR website! Triangular numbers are numbers which can be represented by dots in a triangular array. each side has the same length as the number it represents
ex. the # 3 has 6 dots in it's triangle
I need to know what the pattern or equation is to solve this with any number
-----------------------
1+2+3+4+5+6+....+n
Formula:
S(n) = (n/2)(1+n)
=======================
Cheers,
Stan H.
(