What Is The Area Of This House-like Box: A Math Question Like This Is Likely To Be On The CSEC Exams

The figure below, not drawn to scale, is a house-like box structure in the shape of a prism, with cross section ABCDE. F is the midpoint of BE, and angle DCB and anagle EDC = 90⁰.

Question: What is the area of ABCDE?