9ft is the length of the roof whereas 7ft is the width of the roof.
The length of the longer slope of the roof is 9ft because the length of an area is usually greater than the width of the area. We have two options which is 9ft and 7ft so the 9ft represents the length of the roof.
While on the other hand, 7ft indicates the width of the roof which is lower in measurement than the other value of roof so we can say that 9ft is the length of the roof whereas 7ft is the width of the roof.
Learn more about length here: https://brainly.com/question/25292087
Learn more: https://brainly.com/question/26089904
