Question

find the perimeter of a square length of its diagonal is 5√2cm​

Answer 1

Answer:

length of diagonal is 5√2 hm

so length of side of square is 5cm

perimeter= 4*side

= 4*5

=20 cm

Answer 2

Answer:

1 side =5√2 cm

perimeter= side×2

=(5√2)×4

=20×4

=80cm