Polygons Vocab

Question 1

A closed figure in a plane formed by connecting line segments,endpoint to endpoint

Answer 1

Polygon

Question 2

It’s a polygon in which NO diagonal contain points in the exterior of a polygon

Answer 2

Convex

Question 3

It’s a polygon in which diagonals contain points on the exterior of the polygon

Answer 3

Concave

Question 4

Polygons are classified by the

Answer 4

Number of sides (n)

Question 5

What are the three types of polygons ?

Answer 5

Equilateral
Equiangular
Regular

Question 6

Equilateral means

Answer 6

All sides are equal

Question 7

Equiangular means

Answer 7

All angles are equal

Question 8

Regular means

Answer 8

All sides and angles are equal

Question 9

Diagonals of a polygon are

Answer 9

Line segments that connect to non consegative vertices

Question 10

What is the formula for the number or diagonals in a polygon

Answer 10

n(n-3)/2

Question 11

Formulary for the number of triangles in a polygon

Answer 11

(n-2)

Question 12

Polygon Angle Sum Theorem

Answer 12

The sum of the interior angle measure of a convex polygon with n sides is :
(n-2)180

Question 13

Polygon Interior Angles Corollary

Answer 13

The measure of EACH interior angle of a regular n-gon is :
(n-2)180/2

Question 14

Polygon Exterior Angle Theorem

Answer 14

The sum of the measure of the exterior angles, one from each vertex of a regular polygon is :
360

Question 15

Polygon Exterior Angles Corollary

Answer 15

The measure of each exterior angle of a regular n-gon is :
360/n