right triangle

noun

Definition of right triangle

: a triangle having a right angle — see triangle illustration

Examples of right triangle in a Sentence

Recent Examples on the Web Today, Pythagorean triples are still useful in calculating the lengths of each side of a right triangle, namely in navigation and construction. Caroline Delbert, Popular Mechanics, 16 Aug. 2021 As Carl Engelking reported for Discover magazine in 2017, the pair argued that Babylonians used a base-60 system to make calculations based on the lengths of the sides of a right triangle. Livia Gershon, Smithsonian Magazine, 5 Aug. 2021 Now the tab is bigger and more of a right triangle. Caroline Delbert, Popular Mechanics, 10 Feb. 2020 Scenario 2: Summation and Symmetry Consider a hypothetical rigid object that is shaped like a right triangle with virtually all of its mass concentrated at its vertices. Quanta Magazine, 17 Jan. 2020 Consider a hypothetical rigid object that is shaped like a right triangle with virtually all of its mass concentrated at its vertices. Quanta Magazine, 5 Dec. 2019 Since x and y are perpendicular to each other, these components form the sides of a right triangle. Rhett Allain, WIRED, 18 June 2019 His theorem, a part of Euclidean geometry taught in many high school math classes, states that the hypotenuse of a right triangle (the side opposite the right angle) equals the sum of the squares of the other two sides. Kevin Kelleher, Fortune, 21 June 2018 So, when the side lengths of a right triangle are labeled a, b, and c, the Pythagorean theorem may be written as the equation a2 + b2 = c2. Joshua A. Krisch, Popular Mechanics, 6 Dec. 2013

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'right triangle.' 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 triangle

1675, in the meaning defined above

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Time Traveler for right triangle

Time Traveler

The first known use of right triangle was in 1675

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Dictionary Entries Near right triangle

right-to-work

right triangle

(right) under someone's nose

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Cite this Entry

“Right triangle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/right%20triangle. Accessed 26 Nov. 2021.

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More Definitions for right triangle

right triangle

noun

English Language Learners Definition of right triangle

: a triangle that has a right angle

right triangle

noun

Kids Definition of right triangle

: a triangle having a right angle

More from Merriam-Webster on right triangle

Britannica.com: Encyclopedia article about right triangle

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