Question

The side of a square is increased by 4 units. What is the effect of this in terms
of its diagonal?

Answer 1

Answer:

$if \: its \: side \: is \: s \\ then \: diagonal \: (d) = s \sqrt{2} \\ if \: its \: side \: is \: 4s \\ then \: diagonal \: (d) = 4s \sqrt{2}$