Polygons

Question 1

What is the definition of a polygon?

Answer 1

Closed figure with at least 3 straight lines

Question 2

What is a concave polygon?

Answer 2

A polygon with at least one interior angle greater than 180 degrees

Question 3

What is a convex polygon?

Answer 3

A polygon where ALL interior angles are less than 180 degrees

Question 4

What is a regular polygon?

Answer 4

A polygon where ALL sides are equal AND ALL angles are equal

Question 5

What is the formula for the Interior Angle Sum of a polygon?

Answer 5

(Number of sides - 2) x 180

Question 6

What is the formula for the measure of a SINGLE interior angle of a polygon?

Answer 6

(Number of sides - 2) x 180 / 2

Question 7

What is an exterior angle of a polygon?

Answer 7

Angles formed between a side of a polygon and the extension of the adjacent side

Question 8

The Exterior Angle Sum for any polygon is how many degrees?

Answer 8

360 degrees

Question 9

What is the formula for the measure of one exterior angle of a polygon?

Answer 9

360 divided by the number of sides

Question 10

What is the name of a 5 sided polygon?

Answer 10

Pentagon

Question 11

What is the name of a 6 sided polygon?

Answer 11

Hexagon

Question 12

What is the name of a 7 sided polygon?

Answer 12

Heptagon

Question 13

What is the name of a 8 sided polygon?

Answer 13

Octagon

Question 14

What is the name of a 9 sided polygon?

Answer 14

Nonagon

Question 15

What is the name of a 10 sided polygon?

Answer 15

Decagon

Question 16

What is the name of a 12 sided polygon?

Answer 16

Dodecagon

Question 17

What is an apothem?

Answer 17

The segment from the center of the polygon to the midpoint of one of its sides

Question 18

How do you calculate the area of a Regular Polygon?

Answer 18

(Apotherm x Perimeter) x (.5)
OR
(Apothem x length of 1 side x number of sides) x (.5)