POLYGONS

Question 1

is a closed two-dimensional figure made up of straight line
segments joined end to end.

Answer 1

POLYGON

Question 2

The term polygon was derived from two Greek words, __________, which means “many,” and _________, which means “angled.”

Answer 2

POLUS, GONOS

Question 3

The line segments joined end to end are called the ____________

Answer 3

SIDES

Question 4

The points, where the line segments meet, are known as the

Answer 4

VERTICES / VERTEX

Question 5

T/F
A polygon is named by writing the letters of all its vertices in consecutive
order.

Answer 5

TRUE

Question 6

As vertices that share a common side are called

Answer 6

consecutive vertices

Question 7

sides that share a common endpoint are called

Answer 7

consecutive or adjacent sides.

Question 8

In any polygon, angles are formed by adjacent sides. _________________________________________ are angles of a polygon that share a common side.

Answer 8

Consecutive or adjacent angles

Question 9

3 SIDE POLYGON

Answer 9

TRIANGLE

Question 10

4 SIDE POLYGON

Answer 10

QUADRILATERAL

Question 11

5 SIDE POLYGON

Answer 11

PENTAGON

Question 12

6 SIDE POLYGON

Answer 12

HEXAGON

Question 13

7 SIDE POLYGON

Answer 13

HEPTAGON

Question 14

8 SIDE POLYGON

Answer 14

OCTAGON

Question 15

9 SIDE POLYGON

Answer 15

NONAGON

Question 16

10 SIDE POLYGON

Answer 16

DECAGON

Question 17

T/F

The number of sides in a polygon is the same as the number of vertices as well as the number of angles formed.

Answer 17

TRUE

Question 18

It is a segment that connects any two
nonconsecutive vertices of a polygon.

Answer 18

diagonal.

Question 19

WHAT IS THE FORMULA IN FINDING DIAGONALS?

Answer 19

n(n-3)
_______
2

Question 20

A polygon is ______________if all of its sides are congruent (or equal)

Answer 20

A polygon is equilateral

Question 21

What do you call if all of the angles of a polygon are congruent?

Answer 21

equiangular

Question 22

If a polygon is both equilateral and equiangular, then it is considered as a

Answer 22

regular polygon

Question 23

polygon is not equilateral and equiangular, then it is considered as a

Answer 23

irregular polygon.

Question 24

T/F
Circles and ovals are not polygons because their outlines are curved.

Answer 24

TRUE

Question 25

HOW CAN YOU SAY THAT THE POLYGON IS CONGRUENT?

Answer 25

a. The sides of one polygon must be equal to the corresponding sides of
the other.
b. The angles in one polygon must be equal to the corresponding angles of
the other.