right angle

noun

Definition of right angle

:the angle bounded by two lines perpendicular to each other :an angle of 90° or ¹/₂ π radians

right-angled

play \ˈrīt-ˈaŋ-gəld\ or right-angle play \-gəl\ adjective

Examples of right angle in a Sentence

  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.

First Known Use of right angle

15th century



RIGHT ANGLE Defined for English Language Learners

right angle

noun

Definition of right angle for English Language Learners

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


RIGHT ANGLE Defined for Kids

right angle

noun

Definition of right angle for Students

:an angle formed by two lines that are perpendicular to each other :an angle of 90 degrees


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