Area of a triangle is equal to:
Height is also known as altitude. Area of a square is:
The problem says that:
This info is enough for you to find the answer.
Since the base of the triangle is x, the side of the square is x, and we want these two areas to be the same, we see that we have the equation:
Solving for h, we get
Does this make sense?
EDIT: I see...you just won't let Jhevon and I be called Flash...you want to be a part too, Chops...don't ya??