Welcome :: Homework Help and Answers :: Mathskey.com

Recent Visits

Q&A
Unanswered
Categories
Users
Ask a Question

Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

Q&A Categories
BASIC MATH (93)
PRE-ALGEBRA (441)
ALGEBRA 1 (2,216)
GEOMETRY (864)
ALGEBRA 2 (2,745)
TRIGONOMETRY (1,186)
PRECALCULUS (1,903)
CALCULUS (2,791)
STATISTICS (129)
PHYSICS (658)
CHEMISTRY (136)
MECHANICAL ENGINEERING (64)
ELECTRICAL ENGINEERING (207)
Winplot Tutorials (2)

Most popular tags

solving-equations system-of-equations functions math slope-intercept-form physics homework-help trigonometric-identities integration substitution-method limits calculus

13,435 questions

17,804 answers

1,438 comments

778,058 users

what is the sum of the measures of the interior angles of a regular 18-gon

0 votes

what is the sum of the measures of the interior angles of a regular 18-gon

meaures-of-interior-angles

asked Nov 26, 2013 in GEOMETRY by johnkelly Apprentice

Share this question

Google+ Facebook Twitter LinkedIn Reddit

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

0 votes

Formula for sum of interior angles = 180(n-2)

When n = number of sides

Given n = 18

sum of interior angles of 18-gon = 180(18-2)

= 180*16

= 2880 degrees

answered Dec 16, 2013 by ashokavf Scholar

Please log in or register to add a comment.

Related questions

What is the sum of the measures of the interior angles of a decagon

asked Nov 26, 2013 in GEOMETRY by payton Apprentice

meaures-of-interior-angles

The sum of the measures of the interior angles of an octagon is

asked Nov 26, 2013 in GEOMETRY by rockstar Apprentice

meaures-of-interior-angles

what is the interior and exterior angles of a regular polygon with 8 sides

asked Nov 26, 2013 in GEOMETRY by angel12 Scholar

geometric-shapes
interior-and-exterior-angles

if a regular polygon has 24 sides what are its interior and exterior angles

asked Feb 27, 2014 in GEOMETRY by mathgirl Apprentice

interior-and-exterior-angles
geometric-shapes
regular-polygon

the sum of interior angles in a polygon is 4140 how many sides does the polygon have?

asked Nov 26, 2013 in GEOMETRY by abstain12 Apprentice

sum-of-interior-angles

If the a polygon has 5 sides find the sum of its interior angles.

asked Nov 26, 2013 in GEOMETRY by abstain12 Apprentice

interior-angles

sum of the interior angles of polygons with 7 sides

asked Nov 26, 2013 in GEOMETRY by futai Scholar

interior-angles

The measures of angles of a quadrilateral in degrees are

asked Jun 24, 2014 in GEOMETRY by anonymous

mesurement-of-quadrilateral-angles

A regular polygon has 36 sides whats the size of the angles

asked Feb 27, 2014 in GEOMETRY by skylar Apprentice

geometric-shapes
interior-and-exterior-angles
regular-polygon

The measures of the angles of a triangle are in the ratio 2:3:5. Find the measure of each angle.

asked Nov 26, 2013 in GEOMETRY by andrew Scholar

angles-of-triangle

Five angles of a hexagon have measures 100°, 110°, 120°, 130°, and 140°.

asked Nov 13, 2014 in GEOMETRY by anonymous

mesurement-of-the-angles

The area of a regular hexagon is 38 cm^2. What is the area of a regular hexagon with sides eight times as long?

asked Apr 26, 2014 in GEOMETRY by anonymous

regular
hexagon

what are the measures of the unknown angles?

asked Nov 26, 2013 in ALGEBRA 1 by skylar Apprentice

angles-of-triangle

how do you find the sum of the angles in a quadrangle

asked Nov 26, 2013 in GEOMETRY by linda Scholar

sum-of-angle-measures

Three angles in a quadrilateral measure 90, 53, and 74. What is the measure of the fourth angle?

asked Feb 27, 2014 in GEOMETRY by johnkelly Apprentice

mesurement-of-quadrilateral-angles
mesurement-of-the-angles

A triangle has angles in the ratio of 3:5:7. what is the measure of each angle?

asked Feb 27, 2014 in GEOMETRY by andrew Scholar

angles-of-triangle
mesurement-of-the-angles

a triangle has angles in the ratio of 1:2:3 ,., what is the measure of each angle?

asked Feb 27, 2014 in GEOMETRY by chrisgirl Apprentice

angles-of-triangle
mesurement-of-the-angles

The sum of two numbers is 56 . The smaller number is 18 less than the larger number. What are the numbers?

asked Apr 25, 2017 in ALGEBRA 1 by anonymous

basic-questions

A circle has a circumference of 18 cm long. What is the diameter?

asked Mar 3, 2014 in GEOMETRY by dkinz Apprentice

circumference-of-a-circle
diameter-of-a-circle

What is the perimeter of a triangle with sides of 15 cm, 18 cm, and 19 cm, and a height of 12 cm?

asked Dec 3, 2013 in GEOMETRY by angel12 Scholar

perimeter-of-a-triangle

Copyright © 2024 MATHSKEY. All Rights Reserved. Sitemap|Terms Of Use|Disclaimer|Contact Us|FAQ

...