Flashcards in 6.1 Polygons Deck (17):

1

## Polygon

###
A plane figure formed by 3 or more segments called sides, such that the following are true

1. Each side intersects exactly two other sides, once at each endpoint

2. No two sides with a common endpoint are collinear

2

## Convex Polygon

### A polygon is convex if no line that contains a side of the polygon contains a point in the interior of the polygon

3

## Concave Polygon

### A polygon is concave if at least one line that contains a side of the polygon contains a point in the interior of the polygon

4

## Diagonal

### A segment that joins two nonconsecutive verticies

5

## Equilateral

### A polygon is equilateral if all of its sides are congruent

6

## Equiangular

### A polygon is equiangular if all of its angles are congruent

7

## Regular

### A polygon is regular if it is equilateral and equiangular

8

## 3

### triangle

9

## 4

### quadrilateral

10

## 5

### pentagon

11

## 6

### hexagon

12

## 7

### heptagon

13

## 8

### octagon

14

## 9

### nonagon

15

## 10

### decagon

16

## 12

### dodecagon

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