Question

Help please,

Answer 1

A=l*w or in the case of a square $l^{2}$

So your length is 5x so plug that into your equation
A=$(5x)^{2}$ or $25 x^{2}$

Then plug in your 2.2
25*$2.2^{2}$ = 25*4.84 = 121

Hope that helps

Answer 2

5x2.2 = 11
11x2 = 22
Area=22