196k views
0 votes
Which of the following is the pyramidal number sequence?
A. 1, 3, 6, 10, 15, ...

2 Answers

2 votes

Answer:

A. 1, 3, 6, 10, 15,21

Explanation:

they added 1 every time it continues

User Allen Chou
by
6.7k points
5 votes

Answer:

A

Explanation:

because if you were to do dots in a triangle shape they would fit (i don’t know if the makes any sense)

User Pbd
by
5.9k points