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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