One of the segments that form a polygon. It also means either part of an equation or inequality, as in the left-hand side.
例文
話し言葉 Each side of this square is 4 inches, so the perimeter is 16 inches. この正方形の 1 辺は 4 インチだから、周の長さは 16 インチ。
書き言葉・答案 Find the side length of a square whose area is 49 cm². 面積が 49 cm² の正方形の 1 辺の長さを求めよ。
言い間違えやすいところ
立体の辺(稜)は side ではなく edge(エントリ edge)。立方体の辺は 12 本で、英語では 12 edges と言う。
等式の左辺・右辺の「辺」も side で、left-hand side / right-hand side(エントリ left-hand-side)。両辺は both sides(エントリ both-sides)。
根拠の件数
話し言葉計 196
side of the triangle | side of a triangle | side of the square | side of a square | side length | length of the side | length of each side | three sides | four sides | all sides | side of the polygon196
書き言葉計 273
side of the triangle | side of a triangle | side of the square | side of a square | side length | length of the side | length of each side | three sides | four sides | all sides | side of the polygon273
Khan Academy Algebra / Khan Academy AP Calculus / Khan Academy Middle School (6th-8th Grade, Pre-Algebra) / MIT OCW 18.01 Single Variable Calculus / MIT OCW 18.02 Multivariable Calculus / MIT OCW 18.03 Differential Equations / MIT OCW 6.042 Mathematics for Computer Science / 3Blue1Brown / NancyPi / The Organic Chemistry Tutor / Professor Leonard
取得元(書き言葉)
MIT OCW lecture notes / OpenStax Algebra and Trigonometry 2e / OpenStax Calculus Vol 1-3 / OpenStax Elementary Algebra 2e / OpenStax Intermediate Algebra 2e / OpenStax Prealgebra 2e