From the "triangle inequality", the sum of any two sides of a traingle must be greater than the length of the third side. As 14 + 10 is not greater than (is less than) 50, o no such triangle exists
The area is 256, since the yard is square, all sides are the same length. We're then given the length, being that it is equal to the side of the garage. (16) We multiply 16 by 16, and voila