Tags Math and Arithmetic 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>Geometry

An 18 gon has how many diagonals?

Updated: 4/28/2022

Wiki User

∙ 13y ago

Best Answer

FORMULA: (n [squared] -- 3n) / 2 (18 [squared] -- 3 x 18) / 2 = (324 -- 54) / 2 = 270 / 2 = 135 Easy as Pi ;)

Wiki User

∙ 13y ago

This answer is:

Add your answer:

Earn +20 pts

Q: An 18 gon has how many diagonals?

Write your answer...

Submit

Still have questions?

imp

Continue Learning about Geometry

How many diagonals in 18-gon?

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

How many diagonals are in a 24-gon?

252 diagonals

How many diagonals in a 15-gon?

0.5*(152-45) = 90 diagonals

How many diagonals in 25-gon?

There are 275 diagonals in a 25 sided polygon

How many diagonals in a regular 46-gon?

many triangles does a regular 46-gon have

Related questions

How many diagonals in 18-gon?

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

How many diagonals are in a 24-gon?

252 diagonals

How many diagonals are in a 17-gon?

There are 119 diagonals.

How many diagonals does a 33-gon have?

It has 495 diagonals.

How many diagonals of a 12-gon have?

It has 54 diagonals

How many diagonals are in a 20-gon?

170

How many diagonals does the 13 gon?

78

How many diagonals are in a 11- gon?

There are 44 diagonals in an 11 sided undecagon

How many diagonals in a 15-gon?

0.5*(152-45) = 90 diagonals

How many diagonals does a 20 gon has?

A 20 sided polygon has 170 diagonals

How many diagonals in 25-gon?

There are 275 diagonals in a 25 sided polygon

How many diagonals are in a 39-gon?

39*36/2 = 702 diagonals.

Trending Questions

Can 3 congruent regular hexagons be drawn to create 10 distinctive area? How do you convert height in cm? If a block of land is 500 feet long and 600 feet deep is how many acres? What is difference between parallel and perspective projection in Computer Graphics? What is the abstract noun for adjective thick? How big is a double door garage door? How many faces has an cuboid? What is the perimeter if the rectangle is 6 meters long and 7 meters long? Find the measure of a central angle with circumference of 9 and arc length of 1? How many square feet is 106 square inches? Unit of measurement that is smaller than degrees? How many square feet is 18 inches x 18 inches? How do you calculate the number of edges on a polyhedron if you know the number of faces and vertices? How do you find 270 degree clockwise rotation? A circle has 3.8 cm What is the radius? How many feet of fence is needed to fence in 2 acres of land which is rectangle? What is never true about a parallelogram? What is radial segment? If the perimeter of a rectangle is 150 its width is 30 what is the length? How many square feet in 6'x25'?

Previously Viewed

An 18 gon has how many diagonals?

Unanswered Questions

What MVPs wore? Where will sprinting be done? How much is worth artistically styled for home from Andrew kolb style no 985? How much income does Lolo Jones make? Where did effren h hernandez go to school? How do you pop the lid of a dip can out? How much is Calvin Jones rookie card worth? How do you get sponsored with out sending in a video?

Resources

Top Categories

Product

Company

Copyright ©2024 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.