The figure below shows a triangular wooden frame ABC. The side AD of the frame has rotted and needs to be replaced: What is the length of the wood that is needed to replace AD?

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?