Question

The length of the diagonal of a square is 7 root 2 then the area of the square in centimetre square is dash

Answer 1

Answer:

49 cm²

Step-by-step explanation:

Given d= 7√2

generally for square d²= a²+a² ( from Pythagoras theorem)

so d = a √2

where a represents length of the side in square

so a = 7 ,here

area= a*a

=7²

=49cm²