Find the area of rectangle BCEF. See answer. Introduce the area of rectangles to young learners by printing this set of practice worksheets. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. Add answer + 5 pts. Helpful 0 Not Helpful 0. Let's look at some examples of finding the area of rectangles. Then the areas of the triangles AFB and CDE in total are , and the area of the rectangle BCEF equals . Find the area of rectangle BCEF. = 35 cm². also given AB = AF = 2 m, assumming