francisco is building a window seat below a bay window in the shape of an isosceles trapezoid. His blueprint for the window seat is shown

below:

- The top base of the isosceles trapezoid measures 5 feet.
- The bottom base of the trapezoid measures 4 feet.
- The height of the trapezoid is 3 feet.

Francisco plans to upholster the window seat and add cushions for comfort. He also plans to add storage beneath the seat for extra blankets and pillows. The finished window seat will provide a cozy spot for reading or enjoying the view from the bay window.