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right angle

noun

Simple Definition of right angle

  • : an angle formed by two lines that are perpendicular to each other : an angle that measures 90°

Full Definition of right angle

  1. :  the angle bounded by two lines perpendicular to each other :  an angle of 90° or 12 π radians

right–an·gled play \ˈrīt-ˈaŋ-gəld\ or right–an·gle play \-gəl\ adjective

Examples of right angle

  1. A square has four right angles.

  2. Hold the nail at a right angle to the board.

  3. The two boards are joined at right angles to each other.



15th Century

First Known Use of right angle

15th century



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