Distance Formula
(1,3) (-2,4)
5
52+32=c2
5.8
triangle
120
nonagon
40
(1.5,2)(-1.5,-1.5)
4.6
362+B2=36.12
2.7
pentagon
72
12-gon
30
(2.5,-1)(-3.5,-5)
7.2
122+812=c2
152
quadrilateral
90
quadrilateral
90
(-3,4), (1,3)
4.3
4.32+b2=102
9
octagon
45
pentagon
540
1.41
122+92=
152
20-gon
18
11-gon
1620