Question

find the diognal of a square whose area is 64 cm square​

Answer 1

Answer:

8✓2

Step-by-step explanation:

area=64

so side= ✓64 =8

so formula of diagonal of sqr is = side *✓2

=8✓2=11.31

Answer 2

Answer:

let the edge be a cm,

$area=a^2 \\=>a^2=64 cm^2\\=>a=8 cm\\now,\\d=a\sqrt{2} =8\sqrt{2} cm=11.31 cm$

Step-by-step explanation: