Respuesta :

gronto
If the area of the yard is 3a^2 and is also 7,500^2 then 3a^2=7,500^2

So we want to find what A is not 3a^2.

3a^2=7,500^2 now we square root both sides
3a=7,500 now we divide both sides by 3
a=2,500

And there you go a=2,500

Bainliest if this helped you?