Answer:
Triangular numbers are a pattern of numbers that form equilateral triangles. The formula for calculating the nth triangular number is: T = (n)(n + 1) / 2.
Explanation:
I think 6 six-sees
googel
The answer is A.
#FreeMelvin
How many are students?
Can you give me some more information. I am not able to understand the question.
A
I'm taking the same test right now, if you get done please help me out, I've only got the first 14 questions answered.
