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

From the right angle, Amanda and Dove totally look alike. Allie Gemmill, Teen Vogue, "Amanda Seyfried is Basically Dove Cameron's Doppelgänger in a Photo From Her New Movie," 12 June 2019 The design consists of a unique hexagonal floor plan that uses almost all 60 or 120-degree angles with no right angles in sight. Megan Barber, Curbed, "Perfectly preserved Frank Lloyd Wright Usonian near NYC asks $1.2M," 18 June 2019 These cracks were uniformly at right angles to our course, and the ice on the northern side was moving more rapidly eastward than that on the southern. Robert E. (robert Edwin) Peary, Harper's magazine, "Unyielding Ice," 10 June 2019 Getty Images Getty Images Stepping into the role of dream Instagram husband, Joe snapped away on his own phone, and was getting all the right angles, lighting, and movement. Lucy Wood, Marie Claire, "Joe Jonas Was the Dream Instagram Husband for Sophie Turner on the Red Carpet," 5 June 2019 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

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

15 Jul 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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