400
Bill is building a model house out of blocks. He needs to find the area of the the base of the house which its length is 3.45 feet and its width is 6.54 feet. Also, he need to find the area of the triangle roof, which has a base of 2.4 feet and a height of 1.8 feet. What is the total area of both of the blocks? Round to the nearest tenth.
24.8 feet squared