context: The dam is cylindrical in shape and curved with a radius of (140) m and a width of (9.50) m. The maximum height of it from foundations to the top (73) m and the length of its top (274) m. It is worth noting that it contains (110,000) m 3 Of concrete, and a road over it passes over it (4.5) m. [1]
question: What is the height of the Najran Valley Dam?
answers.text: 274