【简答题】Write a Python class named Rectangle constructed by a length and width and a method which will compute the area of a rectangle. Python: Area of a rectangle In Euclidean plane geometry, a rectangle is ...
【单选题】The length of a rectangular kitchen floor is 3 feet more than its width. If the length of the floor is 12 feet, what is the area of the floor in square feet?
【单选题】The length of a rectangle is 4 inches longer than the width. The perimeter of the rectangle is 28 inches.What is the width of the rectangle, in inches?