3.5: the polygon angle-sum theorems

Question 1

polygon

Answer 1

a closed plane figure with at least 3 sides that are segments.

Question 2

convex polygon

Answer 2

has no diagonal with points outside the polygon

Question 3

concave polygon

Answer 3

has at least one diagonal with points outside the polygon

Question 4

equilateral polygon

Answer 4

all sides congruent

Question 5

equiangular polygon

Answer 5

all angles congruent

Question 6

regular polygon

Answer 6

both equilateral and equiangular