I’m a little confused by the question at the end, but from the first two sentences, I think I’ve got it. If not, leave a comment and I can help further. So to find the width of this rectangle, you only need to divide the area by the length. As to find the area, it’s length x width. Kind of like the width is x and you are trying to get w separate from 8.207. (16.4)/(8.207). This comes out to be 1.99829414 cm. Hope this helps!