Question

find the perimeter of a square whose diagonal is 10√2cm
1) 20cm
2) 10√2cm
3) 40cm
4) 40√2cm​

Answer 1

Step-by-step explanation:

40 cm is correct answer

Answer 2

Step-by-step explanation:

diagonal of a square = side route 2

10route2=side route 2

side =10cm

so perimeter of a square is = 4*side

=4*10

=40 cm.