"90 Degrees" refers to an angle that measures exactly one-quarter of a full rotation, which is 360 degrees. In geometry, it is often associated with right angles, commonly found in squares and rectangles. A right angle is crucial in various fields, including architecture and engineering, as it helps ensure structures are built correctly. In everyday life, "90 Degrees" can also describe the position of objects or movements. For example, when a person turns to face a different direction, they may rotate their body 90 degrees. This concept is essential in navigation, sports, and even dance, where precise angles matter.