Under the Land Ordinance of 1785, what had to happen before public lands could be sold? They had to be free of American Indians.
They had to be surveyed and divided.
They had to be free of enslaved people.
They had to have a school established.

no, because the sides are not congruent

step-by-step explanation:

this can be solved first with pythagorean theorem, which tells us to square both legs of the triangle and sum it. this will be equal to the square of the hypotenuse.

the hypotenuse is the side "opposite" the 90 degree angle, which is x.

so we can write using pythagorean theorem,

simplifying:

to further simplify this radical, we need to use the property  

thus