Question

plz solve this stepwise​

Answer 1

consider ABCD is a square with sides

AB = BC = CB = DA= a

and DB = AC are the diagonals

in triangle ABD

AD² + AB² = DB²

=> a² + a² = DB²

=> 2a² = DB²

=> a = DB/√2

=> a = 1/√2 x DB

HERE

a is the side and DB is the diagonal