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Wiktionary英語版
出典：Wiktionary
acute angle
出典:『Wiktionary』 (2026/03/02 17:04 UTC 版)
発音
名詞
acute angle (plural acute angles)
- (geometry) An angle greater than 0 degrees and less than 90 degrees.
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1960 February, R. K. Kirkland, “The Great Western and Brentford Railway”, in Railway Magazine, page 81:
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The line then falls on a gradient of 1 in 102 to the point at Windmill Lane, known locally as the "Three Bridges," where there is a composite crossing of road, canal and railway, all at the same point. The road is carried over the canal by an orthodox-style bridge, the canal being contained in a cast-iron trough, 8 ft. deep, which passes at an acute angle over the railway. (This arrangement at Southall remains the same in 2026)
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