answersLogoWhite

0

Subjects>Math>Geometry

How many diagonals in 18-gon?

User Avatar

Anonymous

∙ 13y ago
Updated: 4/28/2022

Using the diagonal formula: 0.5*(182-54) = 135 diagonals

User Avatar

Wiki User

∙ 13y ago
Copy

What else can I help you with?

Continue Learning about Geometry

How many diagonals does triacontakaihexagon has?

It has 1,345,890 diagonals


How many diagonals are in a octagon?

There are 20 diagonals


How many diagonals in a pentagon?

There are five diagonals in a pentagon.


How many diagonals does a regular pentagon have?

5 diagonals


How many diagonals does a icongon have?

A icosagon has 200 diagonals

Related Questions

How many diagonals does triacontakaihexagon has?

It has 1,345,890 diagonals


How many diagonals does a undecagon have?

A undecagon has 44 diagonals. A dodecagon has 54 diagonals. An octagon has 20 diagonals. A heptagon has 14 diagonals.


How many diagonals in nonagon?

24 diagonals


How many diagonals does a square have?

It has 2 Diagonals!!!


How many diagonals does a quadrilateral?

2 diagonals


How many diagonals are in a octagon?

There are 20 diagonals


How many diagonals do octagons have?

20 diagonals


How many diagonals has a nonagon have?

It has 27 diagonals


How many diagonals in hexagon have?

It has 9 diagonals


How many diagonals have a rectangle?

It has 2 diagonals


how many diagonals have haptagon?

14 diagonals


How many diagonals from a vertex of a heptagon?

how many diagonals from a vertex a heptagon have

Trending Questions
What do all rhombus have in common? If Jax drew a line through point A and point B. Chris also drew a line through the two points. Which statement is true? How many faces does a heptagonal prism have? How many square feet are 900 square centimeters? Convert Acres to sq yds? What is the longest side of a triangles opposite called? What is the equivalent of 1 metric ton to US gallon? Is loft open or close syllable? What is a example of a reflex angle? Are alternative interior angles always acute? How many divisors are in 400? What is the angle sum of a hexagon? What is the formula for finding the circumference of a circle when you have the area? How many perpendicular lines do a rhombus have? Truncated cone surface area formula? What statement is true about the job market? How many sides does a sextet have? Is it true that if a polygon has three sides then it is a triangle? Which cylinder has a greater volume? How do you get a circumference and diameter with pi?

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 ©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.