Is one a triangular number???

[hamish]

some teachers say that 1 is a triangular number and some say 1 isnt a triangular nummber...............


which is correct????

 

[GNS]

mmm, you can draw a triangle around one dot ne?

 

[hamish]

ovv i but some teachers say no

 

[kosandpol]

what the heck is a triangular number ?? O_O

 

[hamish]

they say that 3 is the first prime number

 

[Nisanka_Xtreme]

I think that the triangle couldn't be completed without 1 ....ha

 

[lkdood]

yes 1 is a triangular number

the problem is that uneducated teachers

they fu

​

** up

 

[kosandpol]

can someone explain what the heck a triangular number is ?

 

[lkdood]

can someone explain what the heck a triangular number is ?

 

[hamish]

now which 1 is correct?

 

[supun75]

1 is a triangular number.i'm 100% sure

 

[lkdood]

can someone explain what the heck a triangular number is ?

 

[lkdood]

1 is a triangular number.i'm 100% sure

yes, u r right

its basic maths

 

[||~R_girl~||]

yehhhhhhhhhhh 1 s a trngular numbr as ive lernt!

 

[||~R_girl~||]

mmm, you can draw a triangle around one dot ne?

u can draw a sqaure around a dot too!

 

[zed]

can someone explain what the heck a triangular number is ?

 

[GNS]

u can draw a sqaure around a dot too!

of course

 

[pamithK]

if n=1..which means the first triangular number..then '1' is a triangular number..the first one

 

[hamish]

but even today 1 studied as 1 isnt a triangular number

 

[hamish]

me if 1 is a triangular number even we couldnt argue with the teachers ne??? eagollo kiyane deya thmai api piligannaone ne??????? wat 2 do?