answersLogoWhite

0

There is a very simple formula. The nth triangular number, T(n) = n*(n+1)/2

Here n = 7, so T(7) = 7*8/2 = 28.

User Avatar

Wiki User

9y ago

Still curious? Ask our experts.

Chat with our AI personalities

SteveSteve
Knowledge is a journey, you know? We'll get there.
Chat with Steve
LaoLao
The path is yours to walk; I am only here to hold up a mirror.
Chat with Lao
ViviVivi
Your ride-or-die bestie who's seen you through every high and low.
Chat with Vivi
More answers

28

User Avatar

Wiki User

9y ago
User Avatar

28

User Avatar

Anonymous

4y ago
User Avatar

Add your answer:

Earn +20 pts
Q: What is the seventh triangular number?
Write your answer...
Submit
Still have questions?
magnify glass
imp