0
Still curious? Ask our experts.
Chat with our AI personalities
RossEvery question is just a happy little opportunity.
Chat with Ross
JordanLooking for a career mentor? I've seen my fair share of shake-ups.
Chat with Jordan
JudySimplicity is my specialty.
Chat with JudyAdd your answer:
Earn +20 ptsQ: How many diagonals can you draw in a 21-gon?
Write your answer...
Submit
Still have questions?
Continue Learning about Geometry
How many diagonals can you draw from one vertex of a heptagon?
There are 5 diagonals
How many diagonals can you draw from vertex of an octagon?
40
How many diagonals can you draw from one vertex of a hexagon?
four (4)
How many triangles can you form if you draw all the diagonals of a hexagon?
18
How many diagonals can you draw in an 8-sided regular polygon?
20.
Trending Questions
The acute angles of a right triangle are?
How many perpendicular edges are there on a rectangular prism?
What is lot size 175' x 143' translate to in acres?
What is the formula for peak height?
3 lengths can be measures of a right triangle?
Geometric mean of 4 and 12?
What is the circumference of 1150 mm diameter?
What is the formula to find a length that is twice as much as the width that gives you a certain area?
What has 6 faces and are congruent squares?
How many square miles does Latin America?
Which polygon will have the largest angle sum?
What is the difference between an equiangular polygon an equilateral polygon and a regular polygon?
An angle measures 2 degrees more than the measure of its complementary angle. What is the measure of each angle?
What is cubiod?
How many radians are in one steradian?
What is the surface area of the rectangular prism?
Convert 270 square meter to cubic meter with a depth of 10cm?
Is a step stool a inclined plane?
Can an obtuse triangle have more than one obtuse angle?
What is the value of 9 in 49?
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.