The area of the square shown is 2 square centimeters. Area = 2 cm2
is
Which of the following describes 4s, the perimeter of the square in centimeters?
A
It is an irrational number, since s is irrational, and 4 times an irrational number is irrational.
B
It is a rational number, since s is rational, and 4 times a rational number is rational.
с
It is an irrational number, since s is rational, and 4 times a rational number is irrational
D
It is a rational number, since s is irrational, and 4 times an irrational number is rational.