Tags Math and Arithmetic Algebra Prime Numbers

Animals & Plants Arts & Entertainment Auto Beauty & Health Books and Literature Business Electronics Engineering & Technology Food & Drink History Hobbies Jobs & Education Law & Government Math People & Society Science Social Studies Sports Travel & Places

0

Subjects>Math>Other Math

What is the ninth triangular number?

Anonymous

∙ 15y ago

Updated: 4/28/2022

The First 10 Triangular Numbers ;

1st = 1

2nd = 3

3rd = 6

4th = 10

5th = 15

6th = 21

7th = 28

8th = 36

9th = 45

10th = 55

Wiki User

∙ 15y ago

Still curious? Ask our experts.

Chat with our AI personalities

Judy

Simplicity is my specialty.

Chat with Judy

Ross

Every question is just a happy little opportunity.

Chat with Ross

Jordan

Looking for a career mentor? I've seen my fair share of shake-ups.

Chat with Jordan

More answers

1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91

Anto Jolly [1701BB-S... ∙

Lvl 6

∙ 3y ago

Anto Jolly [1701BB-S... ∙

Lvl 1

∙ 3y ago

i know more

95

Lakshya Thakwani ∙

Lvl 2

∙ 3y ago

Add your answer:

Earn +20 pts

Q: What is the ninth triangular number?

Write your answer...

Submit

Still have questions?

imp

Continue Learning about Other Math

Is 150 a triangular number?

Decimal triangular number it is

Is 36 a triangular number?

36 is a triangular number, Square number and also a Consecutive number.

When you add two triangular numbers why do they equal to a square number?

They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.They don't necesarily,3 is a triangular number and 10 is a triangular number. Their sum is 13 which is not a square number.

Is one a triangular number?

Yes, 1 is a triangular number.

Is 29 a triangular number?

no- 29 is not triangular. The triangular numbers closest to 29 are 28 and 36.

Trending Questions

How do you do the math for a brick that balances with three quarters of a brick and three quarters of a pound? How do you divide a trapezium into four equal parts? What is halfway between 0.5 and 4.5? What are two or more linear equations using the same variables called? What is 24000K does it equal to 24000000? What is tan x csc x? How do you do 5 divided by 261? How many dollars per hour if their is15 cent per second? A set of all points that meet a stated condition? I need some help I need to add 10 percent to 1.07 and I have no idea how to do it? What is 65 percent written as a fraction in simplest form? What is the smallest 3-digit odd number you can make with 2 3 4? How are multiplying integers and dividing integers alike? Which is greater thousands or thousandths? What is the pattern for a half a quarter and an eighth? What is the quotient of -15x and -5x? How would you write 300000000000000000000000000000000000000000000000? What digit in 123.456 is in the tenths place? How many sheets of polythene would it take to make a stack 6 inches tall? What is another word for range?

Resources

Top Categories

Product

Company

Copyright ©2025 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.