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 are in an octagon?

Updated: 11/1/2022

Wiki User

∙ 9y ago

Best Answer

An Octagon has 20 diagonals in total.

There is actually a really simple formula to figuring out the diagonals in any polygon: (n-3) x (n/2). If we put 8 in there than it would be (8-3) x (8/2) - 5x4=20, so the answer is 20 diagonals.

Wiki User

∙ 9y ago

Still curious? Ask our experts.

Chat with our AI personalities

Steve

Knowledge is a journey, you know? We'll get there.

Chat with Steve

Taiga

Every great hero faces trials, and you—yes, YOU—are no exception!

Chat with Taiga

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

Add your answer:

Earn +20 pts

Q: How many diagonals are in an octagon?

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 does f mean on your a160? How many square centimeters equal a square centi meter? Kelly has 2 ribbons of the same length she cut each ribbon into 8 equal size pieces she uses 13 pieces what is another way to write the amount of ribbon she used? When you triple your number add three subtract twice your number and add two you get two times your number minus ten what is your number? Can a prime no be a composite no? What number is 18 percent of 200? How do you Calculate 240 plus 215 times 12? What number is exactly in between 8.8 and 9.2? How do you type a decimal point? In microscope what is x in 10x? How do you calculate equation with 6700000 as denominator and 11000000 as numerator? What is 10 take away m? Which is larger 0.7 or 0.3? How many yards of concrete are in a slab 4 inches deep by 2.5' X 3'? What is 7.9 x 103 for scientific notation? What is 113 written as a roman numeral? Is 0.36 greater or less than 0.76? What is the number and word notation for 150000? What is 12 plus 84 equals? What can you measure in centiliter?

Previously Viewed

How many diagonals are in an octagon?

Unanswered Questions

What is 5.1 divide by 0.85? What number between 55 and 101 that is a multiple of 3 9 12? How many times 3 goes into 15? What is the nearest ten in 57? One-half of a mumber added to one-fourth of 96 is 30 what is the number? How much is ten percent of 400 million dollars? What did snidely say after filling up his car with super premium top test power plus gasoline? What is the hardest math addition sum in the world?

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.