Question

Find the perimeter of a square if it's diagonal is 10 inroot 2

Answer 1

Answer:

Step-by-step explanation:P≈28.28

d Diagonal  

10

a

d

a

d

d

a

P

a

A

Using the formulas

P=4a

d=2a

Solving forP

P=22d=2·2·10≈28.28427

Answer 2

Answer:

Step-by-step explanation:

If side=a, then diagonal is root 2 a

So here side = 10

Perimeter = 4xside=40