right angle
an angle that measures 90 degrees
A right angle is an angle whose measure is exactly 90 degrees. This angle is formed when two straight lines intersect each other at a perpendicular angle. In a right angle, one side of the angle is perfectly vertical, and the other is perfectly horizontal. The symbol used to represent a right angle is a small square placed in the corner of the angle. Right angles have many applications in fields such as geometry, physics, engineering, and architecture. Examples of objects or shapes that contain right angles include rectangles, squares, and L-shaped structures.
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