right angle


Definition of right angle

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

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Other Words from right angle

right-angled \ ˈrīt-​ˈaŋ-​gəld How to pronounce right-angled (audio) \ or right-angle \ ˈrīt-​ˈaŋ-​gəl How to pronounce right-angle (audio) \ adjective

Examples of right angle in a Sentence

A square has four right angles. Hold the nail at a right angle to the board. The two boards are joined at right angles to each other.
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Recent Examples on the Web

This reimagining of a Blazer isn't entirely without nods to its glory years of right angles and off-roading. Andrew Moseman, Popular Mechanics, "2019 Chevy Blazer Test Drive: What Happened When GM Tried To Make the Crossover Cool," 4 Feb. 2019 This particular iceberg is completely flat at the top, with square sides and right angles. Avery Thompson, Popular Mechanics, "NASA Spots Strange Rectangular Iceberg in Antarctica," 23 Oct. 2018 In fact, the wear marks from fire-striking often cut across those flake scars at nearly a right angle, probably because the ridges create a rough, abrasive surface that produces more sparks, a little like the rough side of a matchbox. Kiona N. Smith, Ars Technica, "Neanderthals used stone hand axes to strike a light," 26 July 2018 Pasquale Jones An antidote to the rustic Italian dining rooms all over the city, Nolita’s Pasquale Jones is all modern clean lines and right angles. Keith Flanagan, Condé Nast Traveler, "19 Best Places for Pizza in New York City," 1 Mar. 2018 Instead of a giant mirror or radio dish, LIGO features two long tunnels that run for miles at right angles to each other. Avery Thompson, Popular Mechanics, "LIGO Gravitational Wave Observatory Getting $30 Million Upgrade," 15 Feb. 2019 Phillips, who died last month, had volunteered his agency to boost the city’s reputation, but hadn’t found the right angle. Ken Roman, WSJ, "The Man Behind ‘the Big Apple’," 27 Jan. 2019 The phenomenon has more in common with dust storms: a gust of hot air blows through the fire at the right angle and creates a spinning momentum. David Grossman, Popular Mechanics, "What Is a Fire Tornado?," 3 Aug. 2018 Montpellier midfielder Florent Mollet equalized in the 31st with a free kick from the right angle of the penalty area which looked to have been saved by goalkeeper Gianluigi Buffon. Jerome Pugmire, The Seattle Times, "Mbappe scores 20th league goal as PSG routs Montpellier 5-1," 20 Feb. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'right angle.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of right angle

15th century, in the meaning defined above

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Statistics for right angle

Last Updated

6 May 2019

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Time Traveler for right angle

The first known use of right angle was in the 15th century

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More Definitions for right angle

right angle


English Language Learners Definition of right angle

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

right angle


Kids Definition of right angle

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

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More from Merriam-Webster on right angle

Rhyming Dictionary: Words that rhyme with right angle

Spanish Central: Translation of right angle

Nglish: Translation of right angle for Spanish Speakers

Britannica English: Translation of right angle for Arabic Speakers

Britannica.com: Encyclopedia article about right angle

Comments on right angle

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