Polygons

Question 1

interior angle sum formula

Answer 1

(n-2) 180

Question 2

exterior angle sum

Answer 2

360

Question 3

size of each interior angle

Answer 3

180 - 360/n

Question 4

size of each exterior angle

Answer 4

360/n

Question 5

interior + exterior =

Answer 5

180

Question 6

for each polygon to tessellate

Answer 6

360 must be divisible by the size of each interior angle

Question 7

concave:

Answer 7

all diagonals outside

Question 8

convex:

Answer 8

all diagonals inside