Question

The area of a square field is 100 are. Find its diagonal in m.​

Answer 1

$area=100m^2$

$each side = \sqrt{area}$

$each side=\sqrt{100}$

$each side =10cm$

$diagonal^2=s^2+s^2$

$diagonal^2=100+100$

$diagonal=\sqrt{200}$

$diagonal=10\sqrt{2}$