They're the same because squares have 90 degree angles and that cut in half with a diagonal would make the angle acute at a 45 degree angle so depending on the lengths of the sides depends on the area, the angles have nothing to do with it because all squared have 4 right angles
X= 3/2 you multiply the inverse (9/8) and then you probably know what to do
It is the first answer choice
I’m pretty sure it would be C