One Minute to Zero One Minute to Zero One Minute to Zero (1952) is a romantic war film starring Robert Mitchum and Ann Blyth, set during the opening phases of the Korean War, and produced by Howard Hughes as the last film as producer. The film showcases the contributions of the U.S. Army and U.S. Air Force, the South Korean Army, the United Nations, the British Army and the Royal Australian Air Force during the early days of the Korean War. The effects of air power in the Korean War were also vividly depicted through the use of combat footage. Just prior to the
Triangle angles is equal to 90°, adding up to a total of 270°. Specifically, on a sphere the sum of the angles of a triangle is where "f" is the fraction of the sphere's area which is enclosed by the triangle. For example, suppose that we draw a triangle on the Earth's surface with vertices at the North Pole, at a point on the equator at 0° longitude, and a point on the equator at 90° West longitude. The great circle line between the latter two points is the equator, and the great circle line between either of those points and