# math

What is the angle sum of a regular polygon with 7 sides

1. 👍 0
2. 👎 0
3. 👁 90
1. sum of interior angles of a regular n-gon
= 180(n-2)

so sum = 180(5) = 900°

1. 👍 0
2. 👎 0

## Similar Questions

1. ### geometry

The Polygon Angle-Sum Theorem states the following: The sum of the measures of the angles of an n-gon is ____. (1 point) (n – 1)180o (n – 2)180o 9. What is the measure of one angle in a regular 16-gon? (1 point) 2,520o 202.5o

asked by josh on December 31, 2012
2. ### Geometry

The sum of the interior angles of polygon is 1800. Find the number of sides in the polygon and, what do you call that polygon?

asked by Anal-G on January 20, 2011
3. ### math

The apothem of a regular polygon is the distance from the center to any side. If the length of the apothem remains constant at 10 inches, the formula for the perimeter of a regular polygon as a function of the number of sides is (

asked by Anonymous on May 15, 2015
4. ### Geometry

1 - Complete this statement: A polygon with all sides the same length is said to be___. a. regular b. equilateral *** c. equiangular d. convex 2- A road sign is in the shape of a regular heptagon. What is the measure of each angle

asked by Anonymous on January 13, 2019
5. ### math

The size of an interior angle of a regular polygon is 3x° while its exterior angle is (x- 20)°. Find the number of sides of the polygon

asked by kudu on February 17, 2015

What is the measure of an exterior angle of a regular polygon in which the sum of interior angle measures is 5400 degrees? A. 11.25 degrees B. 30 degrees C. 32 degrees D. 168.75 degrees

asked by Hilda on May 5, 2013
2. ### Geometry

In a regular polygon (equal sides and angles), you use (n-2)180 to find out what the interior angle sum is (n=number of sides in polygon) and you divide by that number by whatever n is to find out the measure of an individual

asked by Emily on September 27, 2007
3. ### maths

each interior angle of a regular polygon is 18 degree more than eight times an exterior angle. the number os sides of polygon is.

asked by polygon on March 28, 2012
4. ### math

Each interior angle of a regular polygon is 140 degree. the number of sides of the polygon is?

asked by rajkishor ray on September 18, 2014
5. ### maths

The diagram shows part of a regular polygon. work out how many sides the polygon has. (it is 156 degrees).

asked by corinna on October 29, 2007
6. ### Geometry

If each exterior angle of a regular polygon measures 40 degrees, what is the total number of sides in the polygon? a.) 9 b.) 8 c.) 6 d.) 5

asked by Taylor on December 27, 2011