Tags Geometry

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>Math & Arithmetic

How many diagonals does an octagon have?

Updated: 10/18/2022

Wiki User

∙ 9y ago

Best Answer

A polygon with n vertices has n*(n-3)/2 diagonals.

So an octagon has 8*5/2 = 20 diagonals. Of those 20 diagonals, 8 are the principal diagonals, the ones joining a pair of opposite vertices

Wiki User

∙ 9y ago

Still curious? Ask our experts.

Chat with our AI personalities

Fran

I've made my fair share of mistakes, and if I can help you avoid a few, I'd sure like to try.

Chat with Fran

Rene

Change my mind. I dare you.

Chat with Rene

Professor

I will give you the most educated answer.

Chat with Professor

Add your answer:

Earn +20 pts

Q: How many diagonals does an octagon have?

Write your answer...

Submit

Still have questions?

imp

Continue Learning about Math & Arithmetic

How many diagonals can be drawn from a octagon?

An octagon has 16 diagonals.

How many diagonals will a regular octagon have?

4 diagonals

How many bisecting diagonals does an octagon have?

None, if it is an irregular octagon.

How many straight diagonals does an octagon have?

An octagon has four (4) diagonals, each connecting two opposite vertices.

How many diagonals can be drawn in an octagon?

8

Related questions

How many diagonals can be drawn from a octagon?

An octagon has 16 diagonals.

How many diagonals are in a octagon?

There are 20 diagonals

How many diagonals does a regular octagon?

8 diagonals

How many diagonals will a regular octagon have?

4 diagonals

How many bisecting diagonals does an octagon have?

None, if it is an irregular octagon.

How many diagonals in a octagon?

20

How many diagonals can an octagon have?

20

How many straight diagonals does an octagon have?

An octagon has four (4) diagonals, each connecting two opposite vertices.

How many diagonals in an octagon?

there are 5, 6, or 7 diagonals in a pentagon

How many sides and diagonals are there in an octagon?

Sides: 8 Diagonals : 20

How many diagonals can be drawn in an octagon?

8

How many diagonals that can be drawn in an octagon?

0.5*(82-24) = 20 diagonals

Trending Questions

What is 98 tenths as a decimal? Is 10 over 5 greater than 20 over 7? 42 is 60 percent of what number? What is 124608 rounded to the nearest hundred thousand? Is -6 less than -2? What is the percent in fraction of 0.45? What is 4 feet? What is a 5 sided solid shape called? What is he circumference of a circle that has the diameter of 15in. Use of 3.14 for tt.? What is 97 times six? What is 5643 (-984)? Is 01 cm equal to 1 mm? What is 9 over 81 in lowest terms? In 1963 if you went to bed at 8 o'clock at night and set the alarm to get up at 9 o'clock the next morning how many hours of sleep would this permit you to have? What s the G of x if it equals log 2 x plus 2? How do you solve 2x-8 equals 10? What is ANSI Z41 PT-99? How do you spell 46000000000? What is 13 and 11 8ths written in simpelest form? How do you get the answer to 14 percent of 98?

Previously Viewed

How many diagonals does an octagon have?

Unanswered Questions

How do you ensure the quality and accuracy of vectorized or digitized designs for your clients? How important is decentralization in the future of Web3? How Does Hyvä Theme and PWA Studio Integration Enhance Magento 2 Frontend Development and Performance? Do Dental Implants Change Face Shape? Why Is Leisure Time Sodium Bromide Essential for Hot Tubs & Spas? What is Penetrant Testing (PT) and how does it work? What industries commonly use Penetrant Testing? Are there any educational resources for new users on Coin8?

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.