right-angled triangle

noun

British
: a triangle that has a right angle

Examples of right-angled triangle in a Sentence

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The Federal Trade Commission office, known as the Apex Building, is a right-angled triangle with its sharpest point rounded off. Philip Kennicott, Washington Post, 20 Feb. 2026 But the principle is a mainstay of math class and enables the calculation of the length of any side of a right-angled triangle — as long as the lengths of the other two sides are known. Katie Hunt, CNN, 29 Oct. 2024

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“Right-angled triangle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/right-angled%20triangle. Accessed 5 Apr. 2026.

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