interior angle
US /ɪnˈtɪr.i.ɚ ˈæŋ.ɡəl/
UK /ɪnˈtɪə.ri.ər ˈæŋ.ɡəl/
名词
内角
an angle inside a shape, or an angle formed by two lines and a transversal that lies between the two lines
示例:
•
The sum of the interior angles of a triangle is always 180 degrees.
三角形的内角之和总是180度。
•
Each interior angle of a regular hexagon measures 120 degrees.
正六边形的每个内角为120度。