# Find what is the diagonal of a square if the side is 11.5

## Steps to Find Diagonal of a Square for Side is 11.5

__Question:__

Find what is the diagonal length of a square whose side is measured as 11.5 inches?

__Workout :__

step1 Address the formula, input parameters and values

side = 11.5 in

step2 Apply the side value in below perimeter formula

Diagnol = √2a

= √2 x 11.5 in

= 1.4142 x 11.5 in

Diagnol d = 16.2635 in