answersLogoWhite

0

Subjects>Math>Math & Arithmetic

How many diagonals does a 21gon have?

User Avatar

Anonymous

∙ 9y ago
Updated: 12/11/2022

A 21-agon has 189 diagonals

User Avatar

Wiki User

∙ 9y ago
Copy

What else can I help you with?

Continue Learning about Math & Arithmetic

How many diagonals have a rectangle?

It has 2 diagonals


How many diagonals in hexagon have?

It has 9 diagonals


How many diagonals can be drawn in a hexagon?

9 diagonals


How many diagonals does a 33-gon have?

It has 495 diagonals.


How many diagonals in a regular nonagon?

27 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 quadrilateral?

2 diagonals


How many diagonals does a square have?

It has 2 Diagonals!!!


How many diagonals are in a octagon?

There are 20 diagonals


How many diagonals has a nonagon have?

It has 27 diagonals


How many diagonals have a rectangle?

It has 2 diagonals


How many diagonals do octagons have?

20 diagonals


How many diagonals in hexagon have?

It has 9 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
Is 0.75 greater than 0.66? How many sq ft to the acre? Are the sum of interior angles equal to 180 in right triangles only? What is a imaginative set? What is 19 over 8 equivalent to as a decimal? Which has greater surface area a sugar cube or an equal mass of sugar crystals? When you unscramble aedmunt what does it spell? Three positive coterminal angles with 45 degrees? A truck and van left Paris in opposite directions the truck traveled for 8 hours at 85 mph the vehicles were 962 miles apart find the vans average speed? How many parallel lines and angles does a pyramid have? What percent of 1 meter is 42 centimeters? What is the sin of angle a in a right triangle? How do you write 0.038 as a percentage? What letter represents 1000000? What is Abstract reasoning and visuo-spatial memory? How do you write 12 ten thousands 8 thousands 14 hundreds 7 ones? How can we communicate 50 years in the future? What is the conversion factor from mmbtu to cubit meters? How is nine squared written? What is the area of a piece of paper?

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 ©2026 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.