answersLogoWhite

0

What are the1st 6 trangle numbers?

User Avatar

Anonymous

∙ 11y ago
Updated: 8/21/2019

They are 1, 3, 6, 10, 15 and 21.

The nth triangular number is n*(n+1)/2.

User Avatar

Wiki User

∙ 8y ago
Copy

What else can I help you with?

Related Questions

What is the fire trangle?

the fire trangle is the trangle that is on fire


What figure always has the same numbers of lines of symmetry?

square and Equilateral Trangle


What kind of trangle does 3 6 9 make?

start of david


Who was the1st president?

George Washington


How do you spell trangle?

Triangle


How many degrees are in a trangle?

180


Who had many wigs in the Tudor period?

elizibeth the1st


How do you find the perimeter of a trangle?

a+b+c


What was the name of the design of the1st iPod when it was invented?

the ipod shuffle


Which is the1st month of the year?

The first month of the year is January. =/


Where was the1st flight of the Wright brothers?

Kitty hawk, NC


Who were the1st welsh team to play in the premier league?

sawnsea

Trending Questions
How many people live below the poverty in South Africa? What was Annie Oakley's nick name? What is central central intelligence in a wrinkle on time? What is the value of 2 in 3.32? When did Eamonn Keane - actor - die? How do bushfires start? What do you do say when you see someone you know? Is Pope Benedict the Bishop of Rome? What is the different between units and milligrams? Where can you find the water seltzer in SoulSilver? How do I remove the rear seat on a 2006 impala? Your gmc radio is not working any ideas? What to do when your chest hurts? When Vesuvius erupted why were people captviatied? What kind of differential oil for a grizzly 660 2007? What has the author C Earl East written? How many ounces in 4 gollons? What law was passed by congress to prevent financcial panics? If you roll a six sided dice six times you will roll an even number at least once True or False and how did you get it? You are a Virgo with Scorpio in Mars and Neptune What does that mean?

Resources

Leaderboard All Tags Unanswered

Top Categories

Algebra Chemistry Biology World History English Language Arts Psychology Computer Science Economics

Product

Community Guidelines Honor Code Flashcard Maker Study Guides Math Solver FAQ

Company

About Us Contact Us Terms of Service Privacy Policy Disclaimer Cookie Policy IP Issues
Answers Logo
Copyright ©2026 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.