The sides of a regular polygon are increasing at a constant rate. A table showing perimeter and area is shown below.
Perimeter (m) Area (m^2)
6, 2.598
18, 23.38
30, 64.95
42, 127.3
54 210.4
66 314.4
78 439.1

a) how many sides does the polygon have

b) Create a function for area in terms of perimeter