Draw a graph for the following.

(i) Is it a linear graph?
Side of square (in cm)    2    3    4    5    6
Perimeter (in cm)            4    9    16    25    36
(ii) Is it a linear graph?
Side of square (in cm)    2    3    4    5    6
Area (in cm2)                 4    9    16    25    36