The perimeter of a square is 56 cm what is the approximate length of its diagonal

perimeter = 4s

56=4s

s=56/4 = 14

diagonal = sqrt (s^2 x 2)= sqrt(14^2 x 2) = sqrt(392) = 19.7989 cm

round answer as needed

The approximate length of diagonal is:

19.796 cm.

Step-by-step explanation:

We are given the perimeter of a square as 56 cm.

Let 's' be the side of the square.

We know that the perimeter of square is given as:

Hence, the side of square is 14 cm.

Now, the length of a diagonal(D) is given as:

( Since it could be proved with the help of Pythagorean Theorem )

Hence, as s=14 cm

Hence, the length of diagonal is:

Hence, the approximate length of diagonal is:

19.796 cm.

r = 78539458390583095803458309458039485093485 or just 3

step-by-step explanation: